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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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade gnupg | Sep 23, 2020 | Sep 3, 2020 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Sep 3, 2020 |
| Freebsd | — | Upgrade gnupg | Sep 5, 2020 | Sep 3, 2020 |
| Huawei Euleros 2_0_sp10 | — | Upgrade gnupg2 | Apr 20, 2022 | Sep 3, 2020 |
| Suse | — | Upgrade gpg2-langUpgrade gpg2Upgrade dirmngr | Feb 4, 2022 | Sep 3, 2020 |
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