CVE-2026-44518 liboqs: XMSS Buffer Overread Bug

liboqs is a C-language cryptographic library that provides implementations of post-quantum cryptography algorithms. Prior to 0.16.0, an out-of-bounds read has been identified in the XMSS and XMSS^MT stateful signature verification code. When the verification function is called with a signature...

PT-2026-44930

Name of the Vulnerable Software and Affected Versions liboqs versions prior to 0.16.0 Description An out-of-bounds read exists in the XMSS and XMSS^MT stateful signature verification code. This occurs when the verification function is called with a signature buffer shorter than the expected size...