This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2026-57062 →

DEBIAN-CVE-2026-57062

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...

Original description

The description as published by the source.

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.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 gnupg2

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Debian:13 gnupg2

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Debian:14 gnupg2

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.9-5"}]}]

References

advisory security-tracker.debian.org