CVE-2026-57062

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CVSS 3.1

2.9 low

EPSS

<1%p4

Published

Jun 23, 2026 (Jun 23, 2026)

Modified

Jun 25, 2026

Description

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.

Weakness: CWE-1284
Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.1%)

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