Vulnerability DatabaseCVE-2026-41990
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CVE-2026-41990
Published:April 23, 2026
Updated:May 18, 2026
Libgcrypt before 1.12.2 mishandles Dilithium signing. Writes to a static array lack a bounds check but do not use attacker-controlled data.
Affected Packages
https://github.com/gpg/libgcrypt.git (GITHUB):
Affected version(s) >=libgcrypt-1.12.0 <libgcrypt-1.12.2
Fix Suggestion:
Update to version libgcrypt-1.12.2
Related Resources (3)
https://dev.gnupg.org/T8208
https://lists.gnupg.org/pipermail/gnupg-announce/2026q2/000503.html
https://www.openwall.com/lists/oss-security/2026/04/21/1
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CVSS v4
Base Score:
2.1
Attack Vector
LOCAL
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
LOW
Weakness Type (CWE)
Out-of-bounds Write
CWE-787
EPSS
Base Score:
0.02