Libgcrypt CVE-2026-41990

| EUVD-2026-25193 MEDIUM
Out-of-bounds Write (CWE-787)
2026-04-23 mitre GHSA-78pv-qq8x-94px
4.0
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low

Lifecycle Timeline

2
Analysis Generated
Apr 23, 2026 - 07:08 vuln.today
Patch available
Apr 23, 2026 - 06:16 EUVD

DescriptionNVD

Libgcrypt before 1.12.2 mishandles Dilithium signing. Writes to a static array lack a bounds check but do not use attacker-controlled data.

AnalysisAI

Libgcrypt before version 1.12.2 contains a bounds-check vulnerability in Dilithium signing operations where writes to a static array lack proper bounds validation, potentially causing memory corruption and integrity loss. The vulnerability affects local attackers with non-privileged access on systems running vulnerable versions 1.12.0 and 1.12.1. …

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CVE-2026-41990 vulnerability details – vuln.today

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