Bug 2491859 (CVE-2026-57062) - CVE-2026-57062 GnuPG: Incorrect cryptographic message parsing
Summary: CVE-2026-57062 GnuPG: Incorrect cryptographic message parsing
Keywords:
Status: NEW
Alias: CVE-2026-57062
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2492986 2492985
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-06-23 18:01 UTC by OSIDB Bzimport
Modified: 2026-06-25 16:06 UTC (History)
8 users (show)

Fixed In Version:
Clone Of:
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Description OSIDB Bzimport 2026-06-23 18:01:34 UTC 
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.
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