CVE-2026-41990

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-41990
Libgcrypt before 1.12.2 mishandles Dilithium signing. Writes to a static array lack a bounds check but do not use attacker-controlled data.

4.0 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.4 / Impact : 2.5

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

References
Link Resource
https://dev.gnupg.org/T8208 Broken Link
https://lists.gnupg.org/pipermail/gnupg-announce/2026q2/000503.html Mailing List Release Notes
https://www.openwall.com/lists/oss-security/2026/04/21/1 Mailing List Release Notes
Configurations

Configuration 1 (hide)

cpe:2.3:a:gnupg:libgcrypt:*:*:*:*:*:*:*:*
History

27 Apr 2026, 18:33

Type Values Removed Values Added
First Time Gnupg
Gnupg libgcrypt
References () https://dev.gnupg.org/T8208 - () https://dev.gnupg.org/T8208 - Broken Link
References () https://lists.gnupg.org/pipermail/gnupg-announce/2026q2/000503.html - () https://lists.gnupg.org/pipermail/gnupg-announce/2026q2/000503.html - Mailing List, Release Notes
References () https://www.openwall.com/lists/oss-security/2026/04/21/1 - () https://www.openwall.com/lists/oss-security/2026/04/21/1 - Mailing List, Release Notes
CPE cpe:2.3:a:gnupg:libgcrypt:*:*:*:*:*:*:*:*

23 Apr 2026, 05:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-04-23 05:16

Updated : 2026-04-27 18:33

NVD link : CVE-2026-41990

Mitre link : CVE-2026-41990

CVE.ORG link : CVE-2026-41990

JSON object : View

Products Affected

gnupg

  • libgcrypt
CWE
CWE-787

Out-of-bounds Write