LowFix available
binutils — security advisory
An issue was discovered in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.35.1. A heap-based buffer over-read can occur in bfd_getl_signed_32 in libbfd.c because sh_entsize is not validated in _bfd_elf_slurp_secondary_reloc_section in elf.c.
- Products
- binutils
- Affected versions
- Not specified
- Fixed versions
- 2.37-3
- CVEs
- CVE-2020-35448
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 13:53 UTC · Revision 1
Source evidence
An issue was discovered in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.35.1. A heap-based buffer over-read can occur in bfd_getl_signed_32 in libbfd.c because sh_entsize is not validated in _bfd_elf_slurp_secondary_reloc_section in elf.c.
osv:DEBIAN-CVE-2020-35448
binutils
Fixed versions: 2.37-3
binutils
Fixed versions: 2.37-3
binutils
Fixed versions: 2.37-3
Complete source record
{
"id": "3976aaeba4e15fdaa908300e2661ffa23ab287204dd2231ed4ba3f8f1f24caed",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2020-35448",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2020-35448",
"summary": "An issue was discovered in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.35.1. A heap-based buffer over-read can occur in bfd_getl_signed_32 in libbfd.c because sh_entsize is not validated in _bfd_elf_slurp_secondary_reloc_section in elf.c.",
"evidence": "osv:DEBIAN-CVE-2020-35448",
"products": [
{
"name": {
"value": "binutils",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.37-3",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "binutils",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.37-3",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "binutils",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.37-3",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "low",
"structured": {
"id": "DEBIAN-CVE-2020-35448",
"aliases": [
"DEBIAN-CVE-2020-35448"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.37-3"
}
]
}
],
"package": {
"name": "binutils",
"purl": "pkg:deb/debian/binutils?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-35448.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.37-3"
}
]
}
],
"package": {
"name": "binutils",
"purl": "pkg:deb/debian/binutils?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-35448.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.37-3"
}
]
}
],
"package": {
"name": "binutils",
"purl": "pkg:deb/debian/binutils?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-35448.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
}
],
"modified": "2026-10-26T12:02:48.364926896Z",
"provider": "osv",
"upstream": [
"CVE-2020-35448"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2020-35448"
]
},
"related_cves": [
{
"value": "CVE-2020-35448",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 452957,
"published_at": "2020-12-27T04:15:12.84+00:00"
}