ubuntu-cve-2026-57062
Vulnerability from osv_ubuntu
Published
2026-06-23 18:18
Modified
2026-06-29 16:26
Summary
Details
CMS (Cryptographic Message Syntax) parsing in gpgsm in GnuPG through 2.5.20 mishandles the CMS format for AES-GCM because aes-ICVlen is supposed to be 12 bytes but 4 bytes is accepted. NOTE: this is related to CVE-2026-34182.
Severity
N/A (UNKNOWN)
References
{
"affected": [
{
"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": "This is a low severity issue"
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "gnupg2",
"purl": "pkg:deb/ubuntu/gnupg2@2.1.11-6ubuntu2.1+esm3?arch=source\u0026distro=esm-infra/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"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"
]
},
{
"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": "This is a low severity issue"
},
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "gnupg2",
"purl": "pkg:deb/ubuntu/gnupg2@2.2.4-1ubuntu1.6+esm2?arch=source\u0026distro=esm-infra/bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"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"
]
},
{
"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": "This is a low severity issue"
},
"package": {
"ecosystem": "Ubuntu:Pro:20.04:LTS",
"name": "gnupg2",
"purl": "pkg:deb/ubuntu/gnupg2@2.2.19-3ubuntu2.5+esm1?arch=source\u0026distro=esm-infra/focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"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"
]
},
{
"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": "This is a low severity issue"
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "gnupg2",
"purl": "pkg:deb/ubuntu/gnupg2@2.2.27-3ubuntu2.5?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"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"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "dirmngr",
"binary_version": "2.4.4-2ubuntu17.4"
},
{
"binary_name": "gnupg",
"binary_version": "2.4.4-2ubuntu17.4"
},
{
"binary_name": "gnupg-agent",
"binary_version": "2.4.4-2ubuntu17.4"
},
{
"binary_name": "gnupg-l10n",
"binary_version": "2.4.4-2ubuntu17.4"
},
{
"binary_name": "gnupg-utils",
"binary_version": "2.4.4-2ubuntu17.4"
},
{
"binary_name": "gnupg2",
"binary_version": "2.4.4-2ubuntu17.4"
},
{
"binary_name": "gpg",
"binary_version": "2.4.4-2ubuntu17.4"
},
{
"binary_name": "gpg-agent",
"binary_version": "2.4.4-2ubuntu17.4"
},
{
"binary_name": "gpg-wks-client",
"binary_version": "2.4.4-2ubuntu17.4"
},
{
"binary_name": "gpg-wks-server",
"binary_version": "2.4.4-2ubuntu17.4"
},
{
"binary_name": "gpgconf",
"binary_version": "2.4.4-2ubuntu17.4"
},
{
"binary_name": "gpgsm",
"binary_version": "2.4.4-2ubuntu17.4"
},
{
"binary_name": "gpgv",
"binary_version": "2.4.4-2ubuntu17.4"
},
{
"binary_name": "gpgv-static",
"binary_version": "2.4.4-2ubuntu17.4"
},
{
"binary_name": "gpgv-win32",
"binary_version": "2.4.4-2ubuntu17.4"
},
{
"binary_name": "keyboxd",
"binary_version": "2.4.4-2ubuntu17.4"
},
{
"binary_name": "scdaemon",
"binary_version": "2.4.4-2ubuntu17.4"
}
],
"priority_reason": "This is a low severity issue"
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "gnupg2",
"purl": "pkg:deb/ubuntu/gnupg2@2.4.4-2ubuntu17.4?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"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"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "dirmngr",
"binary_version": "2.4.8-2ubuntu2.1"
},
{
"binary_name": "gnupg",
"binary_version": "2.4.8-2ubuntu2.1"
},
{
"binary_name": "gnupg-agent",
"binary_version": "2.4.8-2ubuntu2.1"
},
{
"binary_name": "gnupg-l10n",
"binary_version": "2.4.8-2ubuntu2.1"
},
{
"binary_name": "gnupg-utils",
"binary_version": "2.4.8-2ubuntu2.1"
},
{
"binary_name": "gnupg2",
"binary_version": "2.4.8-2ubuntu2.1"
},
{
"binary_name": "gpg",
"binary_version": "2.4.8-2ubuntu2.1"
},
{
"binary_name": "gpg-agent",
"binary_version": "2.4.8-2ubuntu2.1"
},
{
"binary_name": "gpg-wks-client",
"binary_version": "2.4.8-2ubuntu2.1"
},
{
"binary_name": "gpg-wks-server",
"binary_version": "2.4.8-2ubuntu2.1"
},
{
"binary_name": "gpgconf",
"binary_version": "2.4.8-2ubuntu2.1"
},
{
"binary_name": "gpgsm",
"binary_version": "2.4.8-2ubuntu2.1"
},
{
"binary_name": "gpgv",
"binary_version": "2.4.8-2ubuntu2.1"
},
{
"binary_name": "gpgv-static",
"binary_version": "2.4.8-2ubuntu2.1"
},
{
"binary_name": "scdaemon",
"binary_version": "2.4.8-2ubuntu2.1"
},
{
"binary_name": "tpm2daemon",
"binary_version": "2.4.8-2ubuntu2.1"
}
],
"priority_reason": "This is a low severity issue"
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "gnupg2",
"purl": "pkg:deb/ubuntu/gnupg2@2.4.8-2ubuntu2.1?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.4.4-2ubuntu23",
"2.4.4-2ubuntu24",
"2.4.7-17ubuntu3",
"2.4.8-2ubuntu1",
"2.4.8-2ubuntu2",
"2.4.8-2ubuntu2.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "dirmngr",
"binary_version": "2.4.8-4ubuntu3"
},
{
"binary_name": "gnupg",
"binary_version": "2.4.8-4ubuntu3"
},
{
"binary_name": "gnupg-agent",
"binary_version": "2.4.8-4ubuntu3"
},
{
"binary_name": "gnupg-l10n",
"binary_version": "2.4.8-4ubuntu3"
},
{
"binary_name": "gnupg-utils",
"binary_version": "2.4.8-4ubuntu3"
},
{
"binary_name": "gnupg2",
"binary_version": "2.4.8-4ubuntu3"
},
{
"binary_name": "gpg",
"binary_version": "2.4.8-4ubuntu3"
},
{
"binary_name": "gpg-agent",
"binary_version": "2.4.8-4ubuntu3"
},
{
"binary_name": "gpg-wks-client",
"binary_version": "2.4.8-4ubuntu3"
},
{
"binary_name": "gpg-wks-server",
"binary_version": "2.4.8-4ubuntu3"
},
{
"binary_name": "gpgconf",
"binary_version": "2.4.8-4ubuntu3"
},
{
"binary_name": "gpgsm",
"binary_version": "2.4.8-4ubuntu3"
},
{
"binary_name": "gpgv",
"binary_version": "2.4.8-4ubuntu3"
},
{
"binary_name": "gpgv-static",
"binary_version": "2.4.8-4ubuntu3"
},
{
"binary_name": "scdaemon",
"binary_version": "2.4.8-4ubuntu3"
},
{
"binary_name": "tpm2daemon",
"binary_version": "2.4.8-4ubuntu3"
}
],
"priority_reason": "This is a low severity issue"
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "gnupg2",
"purl": "pkg:deb/ubuntu/gnupg2@2.4.8-4ubuntu3?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.4.8-2ubuntu2",
"2.4.8-4ubuntu1",
"2.4.8-4ubuntu2",
"2.4.8-4ubuntu3"
]
}
],
"aliases": [],
"details": "CMS (Cryptographic Message Syntax) parsing in gpgsm in GnuPG through 2.5.20 mishandles the CMS format for AES-GCM because aes-ICVlen is supposed to be 12 bytes but 4 bytes is accepted. NOTE: this is related to CVE-2026-34182.",
"id": "UBUNTU-CVE-2026-57062",
"modified": "2026-06-29T16:26:59Z",
"published": "2026-06-23T18:18:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-57062"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-57062"
},
{
"type": "REPORT",
"url": "https://blog.calif.io/p/how-to-format-a-ciphertext"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2026-57062"
]
}
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
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