Double Free

Overview Affected versions of this package are vulnerable to Double Free in the OCSP certificate revocation checking process during a TLS handshake with a trusted endpoint. An attacker can cause the client application to terminate unexpectedly by sending specially crafted certificate data that...

CVE-2025-11955: Improper Check for Certificate Revocation

Incorrect validation of OCSP certificates vulnerability in TheGreenBow VPN, versions 7.5 and 7.6. During the IKEv2 authentication step, the OCSP-enabled VPN client establishes the tunnel even if it does not receive an OCSP response or if the OCSP response signature is invalid...

Mandriva Linux Security Advisory : ruby (MDVSA-2009:193)

ext/openssl/osslocsp.c in Ruby 1.8 and 1.9 does not properly check the return value from the OCSPbasicverify function, which might allow remote attackers to successfully present an invalid X.509 certificate, possibly involving a revoked certificate. This update corrects the problem, including for...