Medium
gcc-11, gdb and 1 more products — security advisory
Heap/stack buffer overflow in the dlang_lname function in d-demangle.c in libiberty allows attackers to potentially cause a denial of service (segmentation fault and crash) via a crafted mangled symbol.
- Products
- gcc-11, gdb, libiberty
- Affected versions
- 11.2.0-10ubuntu1, 11.2.0-12ubuntu1, 11.2.0-13ubuntu1, 11.2.0-14ubuntu1, 11.2.0-16ubuntu1, 11.2.0-18ubuntu1, 11.2.0-19ubuntu1, 11.2.0-7ubuntu2, 11.3.0-1ubuntu1~22.04, 11.3.0-1ubuntu1~22.04.1, 11.4.0-1ubuntu1~22.04, 11.4.0-1ubuntu1~22.04.2, 11.4.0-1ubuntu1~22.04.3, 11.4.0-4ubuntu1, 11.4.0-5ubuntu1, 11.4.0-6ubuntu1, 11.4.0-7ubuntu2, 11.4.0-9ubuntu1, 11.5.0-10ubuntu1, 11.5.0-11ubuntu2, 11.5.0-1ubuntu1~24.04, 11.5.0-1ubuntu1~24.04.1, 11.5.0-2ubuntu1, 11.5.0-5ubuntu1, 11.5.0-6ubuntu1, 11.5.0-7ubuntu1, 11.5.0-7ubuntu1.1, 11.5.0-7ubuntu2, 11.5.0-8ubuntu1, 11.5.0-9ubuntu1, 20210106-1build1, 20211102-1, 20211102-1build1, 7.10-1ubuntu2, 7.10-1ubuntu3, 7.10.1-0ubuntu1, 7.10.90.20160215-0ubuntu2, 7.10.90.20160220-0ubuntu1, 7.11-0ubuntu1, 7.11.1-0ubuntu1~16.04, 7.11.1-0ubuntu1~16.5, 7.11.1-0ubuntu1~16.5+esm1, 8.0.1-0ubuntu1, 8.0.1-0ubuntu2, 8.0.1-0ubuntu3, 8.1-0ubuntu1, 8.1-0ubuntu2, 8.1-0ubuntu3, 8.1-0ubuntu3.1, 8.1-0ubuntu3.2, 8.1.1-0ubuntu1, 8.1.1-0ubuntu1+esm1
- Fixed versions
- Not specified
- CVEs
- CVE-2021-3826
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:35 UTC · Revision 1
Source evidence
Heap/stack buffer overflow in the dlang_lname function in d-demangle.c in libiberty allows attackers to potentially cause a denial of service (segmentation fault and crash) via a crafted mangled symbol.
osv:UBUNTU-CVE-2021-3826
gdb
Fixed versions: Not specified
gdb
Fixed versions: Not specified
gcc-11
Fixed versions: Not specified
libiberty
Fixed versions: Not specified
gcc-11
Fixed versions: Not specified
gcc-11
Fixed versions: Not specified
gcc-11
Fixed versions: Not specified
gcc-11
Fixed versions: Not specified
Complete source record
{
"id": "d0fa7f366405ef6662eeaa730e878ae2bff83288d888250dbe18eff1877a482d",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2021-3826",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2021-3826",
"summary": "Heap/stack buffer overflow in the dlang_lname function in d-demangle.c in libiberty allows attackers to potentially cause a denial of service (segmentation fault and crash) via a crafted mangled symbol.",
"evidence": "osv:UBUNTU-CVE-2021-3826",
"products": [
{
"name": {
"value": "gdb",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "7.10-1ubuntu2",
"evidence": "/affected/0/versions"
},
{
"value": "7.10-1ubuntu3",
"evidence": "/affected/0/versions"
},
{
"value": "7.10.1-0ubuntu1",
"evidence": "/affected/0/versions"
},
{
"value": "7.10.90.20160215-0ubuntu2",
"evidence": "/affected/0/versions"
},
{
"value": "7.10.90.20160220-0ubuntu1",
"evidence": "/affected/0/versions"
},
{
"value": "7.11-0ubuntu1",
"evidence": "/affected/0/versions"
},
{
"value": "7.11.1-0ubuntu1~16.04",
"evidence": "/affected/0/versions"
},
{
"value": "7.11.1-0ubuntu1~16.5",
"evidence": "/affected/0/versions"
},
{
"value": "7.11.1-0ubuntu1~16.5+esm1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "gdb",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "8.0.1-0ubuntu1",
"evidence": "/affected/1/versions"
},
{
"value": "8.0.1-0ubuntu2",
"evidence": "/affected/1/versions"
},
{
"value": "8.0.1-0ubuntu3",
"evidence": "/affected/1/versions"
},
{
"value": "8.1-0ubuntu1",
"evidence": "/affected/1/versions"
},
{
"value": "8.1-0ubuntu2",
"evidence": "/affected/1/versions"
},
{
"value": "8.1-0ubuntu3",
"evidence": "/affected/1/versions"
},
{
"value": "8.1-0ubuntu3.1",
"evidence": "/affected/1/versions"
},
{
"value": "8.1-0ubuntu3.2",
"evidence": "/affected/1/versions"
},
{
"value": "8.1.1-0ubuntu1",
"evidence": "/affected/1/versions"
},
{
"value": "8.1.1-0ubuntu1+esm1",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "gcc-11",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "11.2.0-7ubuntu2",
"evidence": "/affected/2/versions"
},
{
"value": "11.2.0-10ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "11.2.0-12ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "11.2.0-13ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "11.2.0-14ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "11.2.0-16ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "11.2.0-18ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "11.2.0-19ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "11.3.0-1ubuntu1~22.04",
"evidence": "/affected/2/versions"
},
{
"value": "11.3.0-1ubuntu1~22.04.1",
"evidence": "/affected/2/versions"
},
{
"value": "11.4.0-1ubuntu1~22.04",
"evidence": "/affected/2/versions"
},
{
"value": "11.4.0-1ubuntu1~22.04.2",
"evidence": "/affected/2/versions"
},
{
"value": "11.4.0-1ubuntu1~22.04.3",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "libiberty",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "20210106-1build1",
"evidence": "/affected/3/versions"
},
{
"value": "20211102-1",
"evidence": "/affected/3/versions"
},
{
"value": "20211102-1build1",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "gcc-11",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "11.4.0-4ubuntu1",
"evidence": "/affected/4/versions"
},
{
"value": "11.4.0-5ubuntu1",
"evidence": "/affected/4/versions"
},
{
"value": "11.4.0-6ubuntu1",
"evidence": "/affected/4/versions"
},
{
"value": "11.4.0-7ubuntu2",
"evidence": "/affected/4/versions"
},
{
"value": "11.4.0-9ubuntu1",
"evidence": "/affected/4/versions"
},
{
"value": "11.5.0-1ubuntu1~24.04",
"evidence": "/affected/4/versions"
},
{
"value": "11.5.0-1ubuntu1~24.04.1",
"evidence": "/affected/4/versions"
}
]
},
{
"name": {
"value": "gcc-11",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "11.5.0-2ubuntu1",
"evidence": "/affected/5/versions"
},
{
"value": "11.5.0-5ubuntu1",
"evidence": "/affected/5/versions"
},
{
"value": "11.5.0-6ubuntu1",
"evidence": "/affected/5/versions"
},
{
"value": "11.5.0-7ubuntu1",
"evidence": "/affected/5/versions"
},
{
"value": "11.5.0-7ubuntu1.1",
"evidence": "/affected/5/versions"
}
]
},
{
"name": {
"value": "gcc-11",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "11.5.0-11ubuntu2",
"evidence": "/affected/6/versions"
}
]
},
{
"name": {
"value": "gcc-11",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "11.5.0-7ubuntu1",
"evidence": "/affected/7/versions"
},
{
"value": "11.5.0-7ubuntu2",
"evidence": "/affected/7/versions"
},
{
"value": "11.5.0-8ubuntu1",
"evidence": "/affected/7/versions"
},
{
"value": "11.5.0-9ubuntu1",
"evidence": "/affected/7/versions"
},
{
"value": "11.5.0-10ubuntu1",
"evidence": "/affected/7/versions"
},
{
"value": "11.5.0-11ubuntu2",
"evidence": "/affected/7/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "UBUNTU-CVE-2021-3826",
"aliases": [
"UBUNTU-CVE-2021-3826"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "low"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "gdb",
"purl": "pkg:deb/ubuntu/gdb?arch=source&distro=esm-infra%2Fxenial",
"ecosystem": "Ubuntu:Pro:16.04:LTS"
},
"versions": [
"7.10-1ubuntu2",
"7.10-1ubuntu3",
"7.10.1-0ubuntu1",
"7.10.90.20160215-0ubuntu2",
"7.10.90.20160220-0ubuntu1",
"7.11-0ubuntu1",
"7.11.1-0ubuntu1~16.04",
"7.11.1-0ubuntu1~16.5",
"7.11.1-0ubuntu1~16.5+esm1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3826.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "gdb",
"binary_version": "7.11.1-0ubuntu1~16.5+esm1"
},
{
"binary_name": "gdb-multiarch",
"binary_version": "7.11.1-0ubuntu1~16.5+esm1"
},
{
"binary_name": "gdb-source",
"binary_version": "7.11.1-0ubuntu1~16.5+esm1"
},
{
"binary_name": "gdb64",
"binary_version": "7.11.1-0ubuntu1~16.5+esm1"
},
{
"binary_name": "gdbserver",
"binary_version": "7.11.1-0ubuntu1~16.5+esm1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "gdb",
"purl": "pkg:deb/ubuntu/gdb?arch=source&distro=esm-infra%2Fbionic",
"ecosystem": "Ubuntu:Pro:18.04:LTS"
},
"versions": [
"8.0.1-0ubuntu1",
"8.0.1-0ubuntu2",
"8.0.1-0ubuntu3",
"8.1-0ubuntu1",
"8.1-0ubuntu2",
"8.1-0ubuntu3",
"8.1-0ubuntu3.1",
"8.1-0ubuntu3.2",
"8.1.1-0ubuntu1",
"8.1.1-0ubuntu1+esm1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3826.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "gdb",
"binary_version": "8.1.1-0ubuntu1+esm1"
},
{
"binary_name": "gdb-multiarch",
"binary_version": "8.1.1-0ubuntu1+esm1"
},
{
"binary_name": "gdb-source",
"binary_version": "8.1.1-0ubuntu1+esm1"
},
{
"binary_name": "gdbserver",
"binary_version": "8.1.1-0ubuntu1+esm1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "gcc-11",
"purl": "pkg:deb/ubuntu/gcc-11?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"11.2.0-7ubuntu2",
"11.2.0-10ubuntu1",
"11.2.0-12ubuntu1",
"11.2.0-13ubuntu1",
"11.2.0-14ubuntu1",
"11.2.0-16ubuntu1",
"11.2.0-18ubuntu1",
"11.2.0-19ubuntu1",
"11.3.0-1ubuntu1~22.04",
"11.3.0-1ubuntu1~22.04.1",
"11.4.0-1ubuntu1~22.04",
"11.4.0-1ubuntu1~22.04.2",
"11.4.0-1ubuntu1~22.04.3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3826.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "cpp-11",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "g++-11",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "g++-11-multilib",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "gcc-11",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "gcc-11-base",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "gcc-11-hppa64-linux-gnu",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "gcc-11-locales",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "gcc-11-multilib",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "gcc-11-offload-amdgcn",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "gcc-11-offload-nvptx",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "gcc-11-source",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "gcc-11-test-results",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "gccbrig-11",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "gccgo-11",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "gccgo-11-multilib",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "gdc-11",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "gdc-11-multilib",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "gfortran-11",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "gfortran-11-multilib",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "gm2-11",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "gnat-11",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "gobjc++-11",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "gobjc++-11-multilib",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "gobjc-11",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "gobjc-11-multilib",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "lib32asan6",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "lib32go19",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "lib32gphobos2",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "lib64asan6",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "lib64go19",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "lib64gphobos2",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "libasan6",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "libgnat-11",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "libgo19",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "libgphobos2",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "libhsail-rt0",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "libstdc++-11-pic",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "libtsan0",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "libx32asan6",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "libx32go19",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
},
{
"binary_name": "libx32gphobos2",
"binary_version": "11.4.0-1ubuntu1~22.04.3"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "libiberty",
"purl": "pkg:deb/ubuntu/libiberty?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"20210106-1build1",
"20211102-1",
"20211102-1build1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3826.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libiberty-dev",
"binary_version": "20211102-1build1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "gcc-11",
"purl": "pkg:deb/ubuntu/gcc-11?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"11.4.0-4ubuntu1",
"11.4.0-5ubuntu1",
"11.4.0-6ubuntu1",
"11.4.0-7ubuntu2",
"11.4.0-9ubuntu1",
"11.5.0-1ubuntu1~24.04",
"11.5.0-1ubuntu1~24.04.1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3826.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "cpp-11",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "g++-11",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "g++-11-multilib",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "gcc-11",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "gcc-11-base",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "gcc-11-hppa64-linux-gnu",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "gcc-11-locales",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "gcc-11-multilib",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "gcc-11-offload-amdgcn",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "gcc-11-offload-nvptx",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "gcc-11-source",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "gcc-11-test-results",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "gccbrig-11",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "gccgo-11",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "gccgo-11-multilib",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "gdc-11",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "gdc-11-multilib",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "gfortran-11",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "gfortran-11-multilib",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "gm2-11",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "gnat-11",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "gobjc++-11",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "gobjc++-11-multilib",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "gobjc-11",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "gobjc-11-multilib",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "lib32asan6",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "lib32go19",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "lib32gphobos2",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "lib64asan6",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "lib64go19",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "lib64gphobos2",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "libasan6",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "libgnat-11",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "libgo19",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "libgphobos2",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "libhsail-rt0",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "libstdc++-11-pic",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "libtsan0",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "libx32asan6",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "libx32go19",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
},
{
"binary_name": "libx32gphobos2",
"binary_version": "11.5.0-1ubuntu1~24.04.1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "gcc-11",
"purl": "pkg:deb/ubuntu/gcc-11?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"11.5.0-2ubuntu1",
"11.5.0-5ubuntu1",
"11.5.0-6ubuntu1",
"11.5.0-7ubuntu1",
"11.5.0-7ubuntu1.1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3826.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "cpp-11",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "g++-11",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "g++-11-multilib",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "gcc-11",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "gcc-11-base",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "gcc-11-hppa64-linux-gnu",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "gcc-11-locales",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "gcc-11-multilib",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "gcc-11-offload-amdgcn",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "gcc-11-offload-nvptx",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "gcc-11-source",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "gcc-11-test-results",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "gccgo-11",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "gccgo-11-multilib",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "gdc-11",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "gdc-11-multilib",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "gfortran-11",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "gfortran-11-multilib",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "gnat-11",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "gobjc++-11",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "gobjc++-11-multilib",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "gobjc-11",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "gobjc-11-multilib",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "lib32asan6",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "lib32go19",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "lib32gphobos2",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "lib64asan6",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "lib64go19",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "lib64gphobos2",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "libasan6",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "libgnat-11",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "libgo19",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "libgphobos2",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "libstdc++-11-pic",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "libtsan0",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "libx32asan6",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "libx32go19",
"binary_version": "11.5.0-7ubuntu1.1"
},
{
"binary_name": "libx32gphobos2",
"binary_version": "11.5.0-7ubuntu1.1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "gcc-11",
"purl": "pkg:deb/ubuntu/gcc-11?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"11.5.0-11ubuntu2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3826.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "cpp-11",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "g++-11",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "g++-11-multilib",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gcc-11",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gcc-11-base",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gcc-11-hppa64-linux-gnu",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gcc-11-locales",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gcc-11-multilib",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gcc-11-offload-amdgcn",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gcc-11-offload-nvptx",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gcc-11-source",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gcc-11-test-results",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gccgo-11",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gccgo-11-multilib",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gdc-11",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gdc-11-multilib",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gfortran-11",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gfortran-11-multilib",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gnat-11",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gobjc++-11",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gobjc++-11-multilib",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gobjc-11",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gobjc-11-multilib",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "lib32asan6",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "lib32go19",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "lib32gphobos2",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "lib64asan6",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "lib64go19",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "lib64gphobos2",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "libasan6",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "libgnat-11",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "libgo19",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "libgphobos2",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "libstdc++-11-pic",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "libtsan0",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "libx32asan6",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "libx32go19",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "libx32gphobos2",
"binary_version": "11.5.0-11ubuntu2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "gcc-11",
"purl": "pkg:deb/ubuntu/gcc-11?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"11.5.0-7ubuntu1",
"11.5.0-7ubuntu2",
"11.5.0-8ubuntu1",
"11.5.0-9ubuntu1",
"11.5.0-10ubuntu1",
"11.5.0-11ubuntu2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3826.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "cpp-11",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "g++-11",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "g++-11-multilib",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gcc-11",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gcc-11-base",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gcc-11-hppa64-linux-gnu",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gcc-11-locales",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gcc-11-multilib",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gcc-11-offload-amdgcn",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gcc-11-offload-nvptx",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gcc-11-source",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gcc-11-test-results",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gccgo-11",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gccgo-11-multilib",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gdc-11",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gdc-11-multilib",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gfortran-11",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gfortran-11-multilib",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gnat-11",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gobjc++-11",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gobjc++-11-multilib",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gobjc-11",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "gobjc-11-multilib",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "lib32asan6",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "lib32go19",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "lib32gphobos2",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "lib64asan6",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "lib64go19",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "lib64gphobos2",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "libasan6",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "libgnat-11",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "libgo19",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "libgphobos2",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "libstdc++-11-pic",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "libtsan0",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "libx32asan6",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "libx32go19",
"binary_version": "11.5.0-11ubuntu2"
},
{
"binary_name": "libx32gphobos2",
"binary_version": "11.5.0-11ubuntu2"
}
]
}
}
],
"modified": "2026-10-17T12:55:47.099604050Z",
"provider": "osv",
"upstream": [
"CVE-2021-3826"
],
"references": [
"https://ubuntu.com/security/CVE-2021-3826",
"https://gcc.gnu.org/pipermail/gcc-patches/2021-September/579987",
"https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=5481040197402be6dfee265bd2ff5a4c88e30505",
"https://www.cve.org/CVERecord?id=CVE-2021-3826"
]
},
"related_cves": [
{
"value": "CVE-2021-3826",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 354076,
"published_at": "2022-09-01T21:15:00+00:00"
}