io.netty/netty-handler-ssl-ocsp: Netty: Certificate revocation bypass via OCSP response replay attack

A flaw was found in Netty. The OcspClient component fails to validate that the Certificate ID in an Online Certificate Status Protocol OCSP response matches the requested Certificate ID. This vulnerability allows a remote attacker to bypass certificate revocation checks by presenting a legitimate...

Linux Distros Unpatched Vulnerability : CVE-2026-93493

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 netty-handler-ssl-ocsp component. A remote attacker can exploit this vulnerability by providing an Online Certificate Status Protoco...

SUSE CVE-2026-93493

A flaw was found in Netty's netty-handler-ssl-ocsp component. A remote attacker can exploit this vulnerability by providing an Online Certificate Status Protocol OCSP response that omits the optional nextUpdate field. This omission causes the OCSP validation to be silently skipped, leading to...

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

CVE-2026-93578 affects the Netty library, specifically the netty-handler-ssl-ocsp module. The vulnerability stems from a missing Extended Key Usage (EKU) check in the OCSP client, which allows an attacker to perform a certificate revocation bypass . An OCSP response signed with a certificate lack...

DEBIAN-CVE-2026-93493

A flaw was found in Netty's netty-handler-ssl-ocsp component. A remote attacker can exploit this vulnerability by providing an Online Certificate Status Protocol OCSP response that omits the optional nextUpdate field. This omission causes the OCSP validation to be silently skipped, leading to...

UBUNTU-CVE-2026-93493

A flaw was found in Netty's netty-handler-ssl-ocsp component. A remote attacker can exploit this vulnerability by providing an Online Certificate Status Protocol OCSP response that omits the optional nextUpdate field. This omission causes the OCSP validation to be silently skipped, leading to...

CVE-2026-93493

A flaw was found in Netty's netty-handler-ssl-ocsp component. A remote attacker can exploit this vulnerability by providing an Online Certificate Status Protocol OCSP response that omits the optional nextUpdate field. This omission causes the OCSP validation to be silently skipped, leading to...

EUVD-2026-82770

A flaw was found in Netty's netty-handler-ssl-ocsp component. A remote attacker can exploit this vulnerability by providing an Online Certificate Status Protocol OCSP response that omits the optional nextUpdate field. This omission causes the OCSP validation to be silently skipped, leading to...

CVE-2026-93493

CVE-2026-93493 affects Netty's netty-handler-ssl-ocsp component. The flaw is in OCSP certificate validation: when a remote attacker supplies an OCSP response that omits the optional nextUpdate field, the validation is silently skipped , causing the application to proceed with an unvalidated certi...

CVE-2026-93493 Io.netty/netty-handler-ssl-ocsp: netty: ocsp validation silently skipped when a response omits the optional nextupdate field

A flaw was found in Netty's netty-handler-ssl-ocsp component. A remote attacker can exploit this vulnerability by providing an Online Certificate Status Protocol OCSP response that omits the optional nextUpdate field. This omission causes the OCSP validation to be silently skipped, leading to...

CVE-2026-93493 Io.netty/netty-handler-ssl-ocsp: netty: ocsp validation silently skipped when a response omits the optional nextupdate field

A flaw was found in Netty's netty-handler-ssl-ocsp component. A remote attacker can exploit this vulnerability by providing an Online Certificate Status Protocol OCSP response that omits the optional nextUpdate field. This omission causes the OCSP validation to be silently skipped, leading to...

CVE-2026-93493

A flaw was found in Netty's netty-handler-ssl-ocsp component. A remote attacker can exploit this vulnerability by providing an Online Certificate Status Protocol OCSP response that omits the optional nextUpdate field. This omission causes the OCSP validation to be silently skipped, leading to...

CVE-2026-93493

A flaw was found in Netty's netty-handler-ssl-ocsp component. A remote attacker can exploit this vulnerability by providing an Online Certificate Status Protocol OCSP response that omits the optional nextUpdate field. This omission causes the OCSP validation to be silently skipped, leading to...

CVE-2026-93493: Improper Check for Certificate Revocation

A flaw was found in Netty's netty-handler-ssl-ocsp component. A remote attacker can exploit this vulnerability by providing an Online Certificate Status Protocol OCSP response that omits the optional nextUpdate field. This omission causes the OCSP validation to be silently skipped, leading to...

PT-2026-95308

Name of the Vulnerable Software and Affected Versions Netty affected versions not specified Description A flaw exists in the netty-handler-ssl-ocsp component. A remote attacker can bypass security controls by providing an Online Certificate Status Protocol OCSP response that omits the optional...

OPENSUSE-SU-2026:20796-1 Security update for nginx

This update for nginx fixes the following issues - CVE-2026-27651: denial of service via undisclosed requests when the ngxmailauthhttpmodule is enabled bsc1260415. - CVE-2026-32647: NGINX worker memory over-read or over-write via a specially crafted MP4 file bsc1260420. - CVE-2026-40701: heap...

BIT-NGINX-GATEWAY-2026-40701 NGINX ngx_http_ssl_module vulnerability

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpsslmodule module when the sslverifyclient directive is set to "on" or "optional," and the sslocsp directive is set to "on" or the leaf parameters are configured with a resolver. With this configuration, an unauthenticated attacke...

BIT-NGINX-2026-40701 NGINX ngx_http_ssl_module vulnerability

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpsslmodule module when the sslverifyclient directive is set to "on" or "optional," and the sslocsp directive is set to "on" or the leaf parameters are configured with a resolver. With this configuration, an unauthenticated attacke...

SUSE CVE-2026-40701

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpsslmodule module when the sslverifyclient directive is set to "on" or "optional," and the sslocsp directive is set to "on" or the leaf parameters are configured with a resolver. With this configuration, an unauthenticated attacke...