Low3.3Red Hat Linux

Low [CVE-2026-41990] Denial of Service or data integrity issues from missing bounds check during Dilithium signing.

This low-severity Red Hat Linux advisory covers CVE-2026-41990 affecting libgcrypt-main, Red Hat Enterprise Linux.

CVE-2026-41990 Published Apr 23, 2026

CVE-2026-41990

Affected products & platforms

Red Hat LinuxUnclassified

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Summary

Denial of Service or data integrity issues from missing bounds check during Dilithium signing.. Red Hat rates this low (CVSS 3.3).

Weakness: CWE-787. Affected package(s): libgcrypt-main.

Resolved in Red Hat advisory RHSA-2026:8466 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat Enterprise Linux.

Affected versions

libgcrypt-main-1.12.2-1.hum1

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

RHSA-2026:8466

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Update the affected package(s) to the fixed version shipped in RHSA-2026:8466 (`sudo dnf update` / `yum update`).

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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