CVE-2026-56822

A flaw was found in Netty's netty-handler-ssl-ocsp component. This vulnerability involves a time-of-check/time-of-use TOCTOU race condition within the OCSP stapling validator. A remote attacker could exploit this timing window, allowing them to use a certificate that has been revoked for...

CVE-2026-56820 Netty: Missing CertificateID Validation in OCSP Response Allows Replay Attacks

Netty is a network application framework for development of protocol servers and clients. In versions 4.2.0.Final through 4.2.15.Final and prior to 4.1.135.Final, OcspClient does not validate that the CertificateID in an OCSP response matches the requested CertificateID, which can lead to replay...