Description
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.
Metrics
CVSS 3.1 7.8/10
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://www.openwall.com/lists/oss-security/2020/09/03/4Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/09/03/5Mailing List, Third Party Advisory
- https://bugzilla.opensuse.org/show_bug.cgi?id=1176034Exploit, Issue Tracking, Third Party Advisory
- https://dev.gnupg.org/T5050Mailing List
- https://dev.gnupg.org/rG8ec9573e57866dda5efb4677d4454161517484bcPatch, Vendor Advisory
- https://lists.gnupg.org/pipermail/gnupg-announce/2020q3/000448.htmlVendor Advisory
- http://www.openwall.com/lists/oss-security/2020/09/03/4Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/09/03/5Mailing List, Third Party Advisory
- https://bugzilla.opensuse.org/show_bug.cgi?id=1176034Exploit, Issue Tracking, Third Party Advisory
- https://dev.gnupg.org/T5050Mailing List
- https://dev.gnupg.org/rG8ec9573e57866dda5efb4677d4454161517484bcPatch, Vendor Advisory
- https://lists.gnupg.org/pipermail/gnupg-announce/2020q3/000448.htmlVendor Advisory
Timeline
- Published
- Sep 3, 2020
- Last modified
- Jun 17, 2026
- NVD status
- Modified