critical9.8
CVE-2026-41509
CROSS implementation contains reference and optimized implementations of the CROSS post-quantum signature algorithm.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Cross-Crypto | Cross-Implementation | before 2026-03-23 |