Buffer Overflow

Overview Affected versions of this package are vulnerable to Buffer Overflow via the setcookiegeneratecallback function. An attacker can cause a buffer overflow by providing a callback that returns a cookie value greater than 256 bytes. Note: This is only exploitable if the application explicitly...

PT-2026-25840

Name of the Vulnerable Software and Affected Versions pyOpenSSL versions 22.0.0 through 25.3.0 Description pyOpenSSL is a Python wrapper around the OpenSSL library. If a user-provided callback to the set cookie generate callback function returned a cookie value exceeding 256 bytes, pyOpenSSL woul...