Low
gnupg2 — security advisory
gpgtar in GnuPG before 2.5.19 can allow file overwrite via crafted data in an archive. When extracting an untrusted archive with --directory (aka -C) into an existing directory containing a pre-existing symlink, gpgtar can follow that symlink and create or overwrite a file outside the selected extraction directory. The write is limited by the extraction user's filesystem permissions. An archive extracted into a fresh empty directory does not have this risk.
- Products
- gnupg2
- Affected versions
- 2.0.28-3ubuntu1, 2.0.28-3ubuntu2, 2.1.11-6ubuntu1, 2.1.11-6ubuntu2, 2.1.11-6ubuntu2.1, 2.1.11-6ubuntu2.1+esm1, 2.1.11-6ubuntu2.1+esm2, 2.1.11-6ubuntu2.1+esm3, 2.1.15-1ubuntu8, 2.2.12-1ubuntu3, 2.2.17-3ubuntu1, 2.2.19-3ubuntu2, 2.2.19-3ubuntu2.1, 2.2.19-3ubuntu2.2, 2.2.19-3ubuntu2.4, 2.2.19-3ubuntu2.5, 2.2.19-3ubuntu2.5+esm1, 2.2.20-1ubuntu4, 2.2.27-2ubuntu1, 2.2.27-3ubuntu1, 2.2.27-3ubuntu2, 2.2.27-3ubuntu2.1, 2.2.27-3ubuntu2.3, 2.2.27-3ubuntu2.4, 2.2.27-3ubuntu2.5, 2.2.4-1ubuntu1, 2.2.4-1ubuntu1.1, 2.2.4-1ubuntu1.2, 2.2.4-1ubuntu1.3, 2.2.4-1ubuntu1.4, 2.2.4-1ubuntu1.5, 2.2.4-1ubuntu1.6, 2.2.4-1ubuntu1.6+esm1, 2.2.4-1ubuntu1.6+esm2, 2.2.40-1.1ubuntu1, 2.4.4-2ubuntu15, 2.4.4-2ubuntu16, 2.4.4-2ubuntu17, 2.4.4-2ubuntu17.2, 2.4.4-2ubuntu17.3, 2.4.4-2ubuntu17.4, 2.4.4-2ubuntu17.6, 2.4.4-2ubuntu7, 2.4.8-2ubuntu2, 2.4.8-4ubuntu1, 2.4.8-4ubuntu2, 2.4.8-4ubuntu3, 2.4.8-4ubuntu3.1, 2.4.9-4ubuntu1, 2.4.9-4ubuntu2, 2.4.9-4ubuntu3
- Fixed versions
- Not specified
- CVEs
- CVE-2026-105712
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 02:54 UTC · Revision 1
Source evidence
gpgtar in GnuPG before 2.5.19 can allow file overwrite via crafted data in an archive. When extracting an untrusted archive with --directory (aka -C) into an existing directory containing a pre-existing symlink, gpgtar can follow that symlink and create or overwrite a file outside the selected extraction directory. The write is limited by the extraction user's filesystem permissions. An archive extracted into a fresh empty directory does not have this risk.
osv:UBUNTU-CVE-2026-105712
gnupg2
Fixed versions: Not specified
gnupg2
Fixed versions: Not specified
gnupg2
Fixed versions: Not specified
gnupg2
Fixed versions: Not specified
gnupg2
Fixed versions: Not specified
gnupg2
Fixed versions: Not specified
gnupg2
Fixed versions: Not specified
Complete source record
{
"id": "df95d268189ff25027b8cba62c9de9cbd78de4ee29100b9a768676a746c42b8b",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-105712",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2026-105712",
"summary": "gpgtar in GnuPG before 2.5.19 can allow file overwrite via crafted data in an archive. When extracting an untrusted archive with --directory (aka -C) into an existing directory containing a pre-existing symlink, gpgtar can follow that symlink and create or overwrite a file outside the selected extraction directory. The write is limited by the extraction user's filesystem permissions. An archive extracted into a fresh empty directory does not have this risk.",
"evidence": "osv:UBUNTU-CVE-2026-105712",
"products": [
{
"name": {
"value": "gnupg2",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.0.28-3ubuntu1",
"evidence": "/affected/0/versions"
},
{
"value": "2.0.28-3ubuntu2",
"evidence": "/affected/0/versions"
},
{
"value": "2.1.11-6ubuntu1",
"evidence": "/affected/0/versions"
},
{
"value": "2.1.11-6ubuntu2",
"evidence": "/affected/0/versions"
},
{
"value": "2.1.11-6ubuntu2.1",
"evidence": "/affected/0/versions"
},
{
"value": "2.1.11-6ubuntu2.1+esm1",
"evidence": "/affected/0/versions"
},
{
"value": "2.1.11-6ubuntu2.1+esm2",
"evidence": "/affected/0/versions"
},
{
"value": "2.1.11-6ubuntu2.1+esm3",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
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"evidence": "/affected/1/package/name"
},
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"affected_versions": [
{
"value": "2.1.15-1ubuntu8",
"evidence": "/affected/1/versions"
},
{
"value": "2.2.4-1ubuntu1",
"evidence": "/affected/1/versions"
},
{
"value": "2.2.4-1ubuntu1.1",
"evidence": "/affected/1/versions"
},
{
"value": "2.2.4-1ubuntu1.2",
"evidence": "/affected/1/versions"
},
{
"value": "2.2.4-1ubuntu1.3",
"evidence": "/affected/1/versions"
},
{
"value": "2.2.4-1ubuntu1.4",
"evidence": "/affected/1/versions"
},
{
"value": "2.2.4-1ubuntu1.5",
"evidence": "/affected/1/versions"
},
{
"value": "2.2.4-1ubuntu1.6",
"evidence": "/affected/1/versions"
},
{
"value": "2.2.4-1ubuntu1.6+esm1",
"evidence": "/affected/1/versions"
},
{
"value": "2.2.4-1ubuntu1.6+esm2",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "gnupg2",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.2.12-1ubuntu3",
"evidence": "/affected/2/versions"
},
{
"value": "2.2.17-3ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "2.2.19-3ubuntu2",
"evidence": "/affected/2/versions"
},
{
"value": "2.2.19-3ubuntu2.1",
"evidence": "/affected/2/versions"
},
{
"value": "2.2.19-3ubuntu2.2",
"evidence": "/affected/2/versions"
},
{
"value": "2.2.19-3ubuntu2.4",
"evidence": "/affected/2/versions"
},
{
"value": "2.2.19-3ubuntu2.5",
"evidence": "/affected/2/versions"
},
{
"value": "2.2.19-3ubuntu2.5+esm1",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "gnupg2",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.2.20-1ubuntu4",
"evidence": "/affected/3/versions"
},
{
"value": "2.2.27-2ubuntu1",
"evidence": "/affected/3/versions"
},
{
"value": "2.2.27-3ubuntu1",
"evidence": "/affected/3/versions"
},
{
"value": "2.2.27-3ubuntu2",
"evidence": "/affected/3/versions"
},
{
"value": "2.2.27-3ubuntu2.1",
"evidence": "/affected/3/versions"
},
{
"value": "2.2.27-3ubuntu2.3",
"evidence": "/affected/3/versions"
},
{
"value": "2.2.27-3ubuntu2.4",
"evidence": "/affected/3/versions"
},
{
"value": "2.2.27-3ubuntu2.5",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "gnupg2",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.2.40-1.1ubuntu1",
"evidence": "/affected/4/versions"
},
{
"value": "2.4.4-2ubuntu7",
"evidence": "/affected/4/versions"
},
{
"value": "2.4.4-2ubuntu15",
"evidence": "/affected/4/versions"
},
{
"value": "2.4.4-2ubuntu16",
"evidence": "/affected/4/versions"
},
{
"value": "2.4.4-2ubuntu17",
"evidence": "/affected/4/versions"
},
{
"value": "2.4.4-2ubuntu17.2",
"evidence": "/affected/4/versions"
},
{
"value": "2.4.4-2ubuntu17.3",
"evidence": "/affected/4/versions"
},
{
"value": "2.4.4-2ubuntu17.4",
"evidence": "/affected/4/versions"
},
{
"value": "2.4.4-2ubuntu17.6",
"evidence": "/affected/4/versions"
}
]
},
{
"name": {
"value": "gnupg2",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.4.8-4ubuntu3",
"evidence": "/affected/5/versions"
},
{
"value": "2.4.9-4ubuntu1",
"evidence": "/affected/5/versions"
},
{
"value": "2.4.9-4ubuntu2",
"evidence": "/affected/5/versions"
},
{
"value": "2.4.9-4ubuntu3",
"evidence": "/affected/5/versions"
}
]
},
{
"name": {
"value": "gnupg2",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.4.8-2ubuntu2",
"evidence": "/affected/6/versions"
},
{
"value": "2.4.8-4ubuntu1",
"evidence": "/affected/6/versions"
},
{
"value": "2.4.8-4ubuntu2",
"evidence": "/affected/6/versions"
},
{
"value": "2.4.8-4ubuntu3",
"evidence": "/affected/6/versions"
},
{
"value": "2.4.8-4ubuntu3.1",
"evidence": "/affected/6/versions"
}
]
}
],
"severity": "low",
"structured": {
"id": "UBUNTU-CVE-2026-105712",
"aliases": [
"UBUNTU-CVE-2026-105712"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L"
},
{
"type": "Ubuntu",
"score": "low"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "gnupg2",
"purl": "pkg:deb/ubuntu/gnupg2?arch=source&distro=esm-infra%2Fxenial",
"ecosystem": "Ubuntu:Pro:16.04:LTS"
},
"versions": [
"2.0.28-3ubuntu1",
"2.0.28-3ubuntu2",
"2.1.11-6ubuntu1",
"2.1.11-6ubuntu2",
"2.1.11-6ubuntu2.1",
"2.1.11-6ubuntu2.1+esm1",
"2.1.11-6ubuntu2.1+esm2",
"2.1.11-6ubuntu2.1+esm3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-105712.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "dirmngr",
"binary_version": "2.1.11-6ubuntu2.1+esm3"
},
{
"binary_name": "gnupg-agent",
"binary_version": "2.1.11-6ubuntu2.1+esm3"
},
{
"binary_name": "gnupg2",
"binary_version": "2.1.11-6ubuntu2.1+esm3"
},
{
"binary_name": "gpgsm",
"binary_version": "2.1.11-6ubuntu2.1+esm3"
},
{
"binary_name": "gpgv2",
"binary_version": "2.1.11-6ubuntu2.1+esm3"
},
{
"binary_name": "scdaemon",
"binary_version": "2.1.11-6ubuntu2.1+esm3"
}
],
"priority_reason": "Low impact flaw in the gpgtar utility"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "gnupg2",
"purl": "pkg:deb/ubuntu/gnupg2?arch=source&distro=esm-infra%2Fbionic",
"ecosystem": "Ubuntu:Pro:18.04:LTS"
},
"versions": [
"2.1.15-1ubuntu8",
"2.2.4-1ubuntu1",
"2.2.4-1ubuntu1.1",
"2.2.4-1ubuntu1.2",
"2.2.4-1ubuntu1.3",
"2.2.4-1ubuntu1.4",
"2.2.4-1ubuntu1.5",
"2.2.4-1ubuntu1.6",
"2.2.4-1ubuntu1.6+esm1",
"2.2.4-1ubuntu1.6+esm2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-105712.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "dirmngr",
"binary_version": "2.2.4-1ubuntu1.6+esm2"
},
{
"binary_name": "gnupg",
"binary_version": "2.2.4-1ubuntu1.6+esm2"
},
{
"binary_name": "gnupg-agent",
"binary_version": "2.2.4-1ubuntu1.6+esm2"
},
{
"binary_name": "gnupg-l10n",
"binary_version": "2.2.4-1ubuntu1.6+esm2"
},
{
"binary_name": "gnupg-utils",
"binary_version": "2.2.4-1ubuntu1.6+esm2"
},
{
"binary_name": "gnupg2",
"binary_version": "2.2.4-1ubuntu1.6+esm2"
},
{
"binary_name": "gpg",
"binary_version": "2.2.4-1ubuntu1.6+esm2"
},
{
"binary_name": "gpg-agent",
"binary_version": "2.2.4-1ubuntu1.6+esm2"
},
{
"binary_name": "gpg-wks-client",
"binary_version": "2.2.4-1ubuntu1.6+esm2"
},
{
"binary_name": "gpg-wks-server",
"binary_version": "2.2.4-1ubuntu1.6+esm2"
},
{
"binary_name": "gpgconf",
"binary_version": "2.2.4-1ubuntu1.6+esm2"
},
{
"binary_name": "gpgsm",
"binary_version": "2.2.4-1ubuntu1.6+esm2"
},
{
"binary_name": "gpgv",
"binary_version": "2.2.4-1ubuntu1.6+esm2"
},
{
"binary_name": "gpgv-static",
"binary_version": "2.2.4-1ubuntu1.6+esm2"
},
{
"binary_name": "gpgv-win32",
"binary_version": "2.2.4-1ubuntu1.6+esm2"
},
{
"binary_name": "gpgv2",
"binary_version": "2.2.4-1ubuntu1.6+esm2"
},
{
"binary_name": "scdaemon",
"binary_version": "2.2.4-1ubuntu1.6+esm2"
}
],
"priority_reason": "Low impact flaw in the gpgtar utility"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "gnupg2",
"purl": "pkg:deb/ubuntu/gnupg2?arch=source&distro=esm-infra%2Ffocal",
"ecosystem": "Ubuntu:Pro:20.04:LTS"
},
"versions": [
"2.2.12-1ubuntu3",
"2.2.17-3ubuntu1",
"2.2.19-3ubuntu2",
"2.2.19-3ubuntu2.1",
"2.2.19-3ubuntu2.2",
"2.2.19-3ubuntu2.4",
"2.2.19-3ubuntu2.5",
"2.2.19-3ubuntu2.5+esm1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-105712.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "dirmngr",
"binary_version": "2.2.19-3ubuntu2.5+esm1"
},
{
"binary_name": "gnupg",
"binary_version": "2.2.19-3ubuntu2.5+esm1"
},
{
"binary_name": "gnupg-agent",
"binary_version": "2.2.19-3ubuntu2.5+esm1"
},
{
"binary_name": "gnupg-l10n",
"binary_version": "2.2.19-3ubuntu2.5+esm1"
},
{
"binary_name": "gnupg-utils",
"binary_version": "2.2.19-3ubuntu2.5+esm1"
},
{
"binary_name": "gnupg2",
"binary_version": "2.2.19-3ubuntu2.5+esm1"
},
{
"binary_name": "gpg",
"binary_version": "2.2.19-3ubuntu2.5+esm1"
},
{
"binary_name": "gpg-agent",
"binary_version": "2.2.19-3ubuntu2.5+esm1"
},
{
"binary_name": "gpg-wks-client",
"binary_version": "2.2.19-3ubuntu2.5+esm1"
},
{
"binary_name": "gpg-wks-server",
"binary_version": "2.2.19-3ubuntu2.5+esm1"
},
{
"binary_name": "gpgconf",
"binary_version": "2.2.19-3ubuntu2.5+esm1"
},
{
"binary_name": "gpgsm",
"binary_version": "2.2.19-3ubuntu2.5+esm1"
},
{
"binary_name": "gpgv",
"binary_version": "2.2.19-3ubuntu2.5+esm1"
},
{
"binary_name": "gpgv-static",
"binary_version": "2.2.19-3ubuntu2.5+esm1"
},
{
"binary_name": "gpgv-win32",
"binary_version": "2.2.19-3ubuntu2.5+esm1"
},
{
"binary_name": "gpgv2",
"binary_version": "2.2.19-3ubuntu2.5+esm1"
},
{
"binary_name": "scdaemon",
"binary_version": "2.2.19-3ubuntu2.5+esm1"
}
],
"priority_reason": "Low impact flaw in the gpgtar utility"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "gnupg2",
"purl": "pkg:deb/ubuntu/gnupg2?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"2.2.20-1ubuntu4",
"2.2.27-2ubuntu1",
"2.2.27-3ubuntu1",
"2.2.27-3ubuntu2",
"2.2.27-3ubuntu2.1",
"2.2.27-3ubuntu2.3",
"2.2.27-3ubuntu2.4",
"2.2.27-3ubuntu2.5"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-105712.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "dirmngr",
"binary_version": "2.2.27-3ubuntu2.5"
},
{
"binary_name": "gnupg",
"binary_version": "2.2.27-3ubuntu2.5"
},
{
"binary_name": "gnupg-agent",
"binary_version": "2.2.27-3ubuntu2.5"
},
{
"binary_name": "gnupg-l10n",
"binary_version": "2.2.27-3ubuntu2.5"
},
{
"binary_name": "gnupg-utils",
"binary_version": "2.2.27-3ubuntu2.5"
},
{
"binary_name": "gnupg2",
"binary_version": "2.2.27-3ubuntu2.5"
},
{
"binary_name": "gpg",
"binary_version": "2.2.27-3ubuntu2.5"
},
{
"binary_name": "gpg-agent",
"binary_version": "2.2.27-3ubuntu2.5"
},
{
"binary_name": "gpg-wks-client",
"binary_version": "2.2.27-3ubuntu2.5"
},
{
"binary_name": "gpg-wks-server",
"binary_version": "2.2.27-3ubuntu2.5"
},
{
"binary_name": "gpgconf",
"binary_version": "2.2.27-3ubuntu2.5"
},
{
"binary_name": "gpgsm",
"binary_version": "2.2.27-3ubuntu2.5"
},
{
"binary_name": "gpgv",
"binary_version": "2.2.27-3ubuntu2.5"
},
{
"binary_name": "gpgv-static",
"binary_version": "2.2.27-3ubuntu2.5"
},
{
"binary_name": "gpgv-win32",
"binary_version": "2.2.27-3ubuntu2.5"
},
{
"binary_name": "gpgv2",
"binary_version": "2.2.27-3ubuntu2.5"
},
{
"binary_name": "scdaemon",
"binary_version": "2.2.27-3ubuntu2.5"
}
],
"priority_reason": "Low impact flaw in the gpgtar utility"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "gnupg2",
"purl": "pkg:deb/ubuntu/gnupg2?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"2.2.40-1.1ubuntu1",
"2.4.4-2ubuntu7",
"2.4.4-2ubuntu15",
"2.4.4-2ubuntu16",
"2.4.4-2ubuntu17",
"2.4.4-2ubuntu17.2",
"2.4.4-2ubuntu17.3",
"2.4.4-2ubuntu17.4",
"2.4.4-2ubuntu17.6"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-105712.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "dirmngr",
"binary_version": "2.4.4-2ubuntu17.6"
},
{
"binary_name": "gnupg",
"binary_version": "2.4.4-2ubuntu17.6"
},
{
"binary_name": "gnupg-agent",
"binary_version": "2.4.4-2ubuntu17.6"
},
{
"binary_name": "gnupg-l10n",
"binary_version": "2.4.4-2ubuntu17.6"
},
{
"binary_name": "gnupg-utils",
"binary_version": "2.4.4-2ubuntu17.6"
},
{
"binary_name": "gnupg2",
"binary_version": "2.4.4-2ubuntu17.6"
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{
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],
"modified": "2026-10-17T12:59:47.832348033Z",
"provider": "osv",
"upstream": [
"CVE-2026-105712"
],
"references": [
"https://ubuntu.com/security/CVE-2026-105712",
"https://www.cve.org/CVERecord?id=CVE-2026-105712",
"https://lists.gnupg.org/pipermail/gnupg-announce/2026q2/000504.html"
]
},
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{
"value": "CVE-2026-105712",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 359781,
"published_at": "2026-10-05T19:17:00+00:00"
}