HighFix available
gnupg — security advisory
GnuPG 2.2.21 and 2.2.22 (and Gpg4win 3.1.12) has an array overflow, leading to a crash or possibly unspecified other impact, when a victim imports an attacker's OpenPGP key, and this key has AEAD preferences. The overflow is caused by a g10/key-check.c error. NOTE: GnuPG 2.3.x is unaffected. GnuPG 2.2.23 is a fixed version.
- Products
- gnupg
- Affected versions
- Not specified
- Fixed versions
- 2.2.23-r0
- CVEs
- CVE-2020-25125
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 12:07 UTC · Revision 1
Source evidence
GnuPG 2.2.21 and 2.2.22 (and Gpg4win 3.1.12) has an array overflow, leading to a crash or possibly unspecified other impact, when a victim imports an attacker's OpenPGP key, and this key has AEAD preferences. The overflow is caused by a g10/key-check.c error. NOTE: GnuPG 2.3.x is unaffected. GnuPG 2.2.23 is a fixed version.
osv:ALPINE-CVE-2020-25125
gnupg
Fixed versions: 2.2.23-r0
gnupg
Fixed versions: 2.2.23-r0
gnupg
Fixed versions: 2.2.23-r0
gnupg
Fixed versions: 2.2.23-r0
gnupg
Fixed versions: 2.2.23-r0
gnupg
Fixed versions: 2.2.23-r0
gnupg
Fixed versions: 2.2.23-r0
gnupg
Fixed versions: 2.2.23-r0
gnupg
Fixed versions: 2.2.23-r0
gnupg
Fixed versions: 2.2.23-r0
gnupg
Fixed versions: 2.2.23-r0
gnupg
Fixed versions: 2.2.23-r0
gnupg
Fixed versions: 2.2.23-r0
Complete source record
{
"id": "56c7d30771db21fdcb2f439194ae91f7c8b24b444586350f5a808692a65d2418",
"url": "https://osv.dev/vulnerability/ALPINE-CVE-2020-25125",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "ALPINE-CVE-2020-25125",
"summary": "GnuPG 2.2.21 and 2.2.22 (and Gpg4win 3.1.12) has an array overflow, leading to a crash or possibly unspecified other impact, when a victim imports an attacker's OpenPGP key, and this key has AEAD preferences. The overflow is caused by a g10/key-check.c error. NOTE: GnuPG 2.3.x is unaffected. GnuPG 2.2.23 is a fixed version.",
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"severity": "high",
"structured": {
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"aliases": [
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],
"modified": "2026-10-26T11:17:55.151723706Z",
"provider": "osv",
"upstream": [
"CVE-2020-25125"
],
"references": [
"https://security.alpinelinux.org/vuln/CVE-2020-25125"
]
},
"related_cves": [
{
"value": "CVE-2020-25125",
"evidence": "/upstream"
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],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 450528,
"published_at": "2020-09-03T18:15:15.16+00:00"
}