CVE-2026-41990

April 24, 2026, 2:50 p.m.

4.0
Low

Description

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

Product(s) Impacted

Vendor Product Versions
Gnu
  • Libgcrypt
  • <1.12.2

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-787
Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a gnu libgcrypt <1.12.2 / / / / / / /

References

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

Tags

[email protected]
CWE-787
2026-04-23
CVE-2026-41990

CVSS Score

4.0 / 10

CVSS Data - 3.1

  • Attack Vector: LOCAL
  • Attack Complexity: HIGH
  • Privileges Required: NONE
  • Scope: UNCHANGED
  • Confidentiality Impact: NONE
  • Integrity Impact: LOW
  • Availability Impact: LOW

    • CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

    View Vector String

Timeline

Published: April 23, 2026, 5:16 a.m.
Last Modified: April 24, 2026, 2:50 p.m.

Status : Undergoing Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.