QwikSec

Security Database

CVE

CWE

Training

CVE-2026-41509

Published: May 8, 2026

Modified: May 8, 2026

PUBLISHED

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.

Vendor	Product	Versions
CROSS-signature	CROSS-implementation	affected `< fc6b7e78cdf789bb5c395a81dc601356f1383da0`

Weaknesses (CWE)

References

https://github.com/CROSS-signature/CROSS-implementation/security/advisories/GHSA-w72c-hgx8-p7cv

x_refsource_CONFIRM

https://github.com/CROSS-signature/CROSS-implementation/commit/fc6b7e78cdf789bb5c395a81dc601356f1383da0

x_refsource_MISC

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.