CVE-2026-41509

Published May 8th, 2026

View on NVD ↗

CVSS v3

9.8

CRITICAL

CVSS v2

N/A

Affected

PROJECT

Description

CROSS implementation contains reference and optimized implementations of the CROSS post-quantum signature algorithm. Prior to commit fc6b7e7, there is a buffer overflow in crypto_sign_open() caused by an underflow of the integer mlen. This issue has been patched via commit fc6b7e7.

CROSS-signature/CROSS-implementation

Reference and optimized implementations of the CROSS post-quantum signature algorithm

GitHub