High 7.8Published Sep 3, 2020

CVE-2020-25125GnuPG 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 pre…

Updated under an hour ago (Nov 2, 2026, 1:40 AM ET)

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No exploitation reported and no EPSS estimate yet.

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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.

CVSS: 7.8 HIGH (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-120
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

gnupg gnupg gnupg:gnupg	2.2.21; 2.2.22	NVD
gpg4win gpg4win gpg4win:gpg4win	3.1.12	NVD

References

References

http://www.openwall.com/lists/oss-security/2020/09/03/4	mailing-list, third-party-advisory
http://www.openwall.com/lists/oss-security/2020/09/03/5	mailing-list, third-party-advisory
https://bugzilla.opensuse.org/show_bug.cgi?id=1176034	exploit, issue-tracking, third-party-advisory
https://dev.gnupg.org/T5050	mailing-list
https://dev.gnupg.org/rG8ec9573e57866dda5efb4677d4454161517484bc	patch, vendor-advisory
https://lists.gnupg.org/pipermail/gnupg-announce/2020q3/000448.html	vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.