CVE-2026-57062

CVSS 2.9 LOWEPSS 0.1%CWE-1284

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.

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

Produtos afetados

GnuPG · GnuPG

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Referências

https://blog.calif.io/p/how-to-format-a-ciphertext https://www.gnupg.org/download/