CVE-2026-2681

A flaw was found in the blst cryptographic library. This out-of-bounds stack write vulnerability, specifically in the blstsha256bcopy assembly routine, occurs due to a missing zero-length guard. A remote attacker can exploit this by providing a zero-length salt parameter to key generation...

CVE-2026-2681: Out-of-bounds Write

A flaw was found in the blst cryptographic library. This out-of-bounds stack write vulnerability, specifically in the blstsha256bcopy assembly routine, occurs due to a missing zero-length guard. A remote attacker can exploit this by providing a zero-length salt parameter to key generation...

BLST security vulnerabilities

Blst is a Supranational open-source signature library. Blst has a security vulnerability, which stems from the lack of zero-length protection in the blstsha256bcopy assembly routine. This vulnerability may lead to memory corruption and denial-of-service attacks...