CVE-2026-118766

The Botan C++ cryptography library (versions prior to 3.13.0 ) contains a vulnerability in its online OCSP client . The client allows a single HTTP redirect when processing an OCSP request directed at a URI in a certificate's Authority Information Access extension. An attacker or a malicious OCSP...

CVE-2026-118766 Botan: Online OCSP redirects enable blind requests to internal HTTP services

Botan is a C++ cryptography library. Prior to 3.13.0, Botan's online OCSP client allowed a single HTTP redirect while posting an OCSP request to the URI in a certificate's Authority Information Access extension. A malicious OCSP responder or an on-path attacker could redirect the client to make o...

Linux Distros Unpatched Vulnerability : CVE-2026-93578

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in Netty's Online Certificate Status Protocol OCSP Client. The client fails to verify the 'id-kp-OCSPSigning' Extended Key Usage EKU in OCSP...

SUSE CVE-2026-93578

A flaw was found in Netty's Online Certificate Status Protocol OCSP Client. The client fails to verify the 'id-kp-OCSPSigning' Extended Key Usage EKU in OCSP responder certificates. A remote attacker, holding any valid certificate issued by the same Certificate Authority CA, can exploit this by...

CVE-2026-93578

A flaw was found in Netty's Online Certificate Status Protocol OCSP Client. The client fails to verify the 'id-kp-OCSPSigning' Extended Key Usage EKU in OCSP responder certificates. A remote attacker, holding any valid certificate issued by the same Certificate Authority CA, can exploit this by...

DEBIAN-CVE-2026-93578

A flaw was found in Netty's Online Certificate Status Protocol OCSP Client. The client fails to verify the 'id-kp-OCSPSigning' Extended Key Usage EKU in OCSP responder certificates. A remote attacker, holding any valid certificate issued by the same Certificate Authority CA, can exploit this by...

UBUNTU-CVE-2026-93578

A flaw was found in Netty's Online Certificate Status Protocol OCSP Client. The client fails to verify the 'id-kp-OCSPSigning' Extended Key Usage EKU in OCSP responder certificates. A remote attacker, holding any valid certificate issued by the same Certificate Authority CA, can exploit this by...

CVE-2026-93578

A flaw was found in Netty's Online Certificate Status Protocol OCSP Client. The client fails to verify the 'id-kp-OCSPSigning' Extended Key Usage EKU in OCSP responder certificates. A remote attacker, holding any valid certificate issued by the same Certificate Authority CA, can exploit this by...

EUVD-2026-82871

A flaw was found in Netty's Online Certificate Status Protocol OCSP Client. The client fails to verify the 'id-kp-OCSPSigning' Extended Key Usage EKU in OCSP responder certificates. A remote attacker, holding any valid certificate issued by the same Certificate Authority CA, can exploit this by...

CVE-2026-93578 Io.netty/netty-handler-ssl-ocsp: netty: missing extended key usage (eku) check in ocsp client allows certificate revocation bypass

A flaw was found in Netty's Online Certificate Status Protocol OCSP Client. The client fails to verify the 'id-kp-OCSPSigning' Extended Key Usage EKU in OCSP responder certificates. A remote attacker, holding any valid certificate issued by the same Certificate Authority CA, can exploit this by...

CVE-2026-93578

A flaw was found in Netty's Online Certificate Status Protocol OCSP Client. The client fails to verify the 'id-kp-OCSPSigning' Extended Key Usage EKU in OCSP responder certificates. A remote attacker, holding any valid certificate issued by the same Certificate Authority CA, can exploit this by...

CVE-2026-93578

A flaw was found in Netty's Online Certificate Status Protocol OCSP Client. The client fails to verify the 'id-kp-OCSPSigning' Extended Key Usage EKU in OCSP responder certificates. A remote attacker, holding any valid certificate issued by the same Certificate Authority CA, can exploit this by...

CVE-2026-93578: Undefined Security Weakness

A flaw was found in Netty's Online Certificate Status Protocol OCSP Client. The client fails to verify the 'id-kp-OCSPSigning' Extended Key Usage EKU in OCSP responder certificates. A remote attacker, holding any valid certificate issued by the same Certificate Authority CA, can exploit this by...

PT-2026-95358

Name of the Vulnerable Software and Affected Versions Netty affected versions not specified Description A flaw exists in the Online Certificate Status Protocol OCSP Client, which is a protocol used for obtaining the real-time revocation status of digital certificates. The client fails to verify t...

Improper Certificate Validation

Overview io.netty:netty-handler-ssl-ocsp is a Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers and clients. Affected versions of this package are vulnerable to Improper Certificate Validation in the...

PT-2026-63259

Name of the Vulnerable Software and Affected Versions Netty versions prior to 4.1.135.Final Netty versions 4.2.0.Final through 4.2.15.Final Description The OcspClient does not validate that the CertificateID in an OCSP response matches the requested CertificateID, which can lead to a replay attac...

EUVD-2015-6931

Malware in sbrugna...

CVE-2015-6999

The OCSP client in Apple iOS before 9.1 does not check for certificate expiry, which allows remote attackers to spoof a valid certificate by leveraging access to a revoked certificate...

CVE-2015-6999

Affected software: Apple iOS prior to 9.1. The OCSP client fails to check certificate expiry, allowing a revoked certificate to appear valid and enabling remote spoofing of certificates. Root cause: OCSP expiry check not performed. Impact: potential trust compromise and spoofed TLS certificates. ...

CVE-2015-6999: Undefined Security Weakness

The OCSP client in Apple iOS before 9.1 does not check for certificate expiry, which allows remote attackers to spoof a valid certificate by leveraging access to a revoked certificate...