CVE-2026-57062

GnuPG / GnuPG PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
GnuPG / GnuPG	affected 0 through 2.5.20

CWE

CWE-1284

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.