gnutls: gnutls: Security bypass allows acceptance of revoked server certificates via crafted OCSP response

A flaw was found in gnutls. A remote attacker could exploit this vulnerability by presenting a specially crafted Online Certificate Status Protocol OCSP response during a TLS handshake. Due to a logic error in how gnutls processes multi-record OCSP responses, a client with OCSP verification enabl...

Improper Check for Certificate Revocation

Overview Affected versions of this package are vulnerable to Improper Check for Certificate Revocation in the SignatureKey verification process. An attacker can bypass revocation enforcement by presenting a certificate with a revoked SignatureKey, potentially allowing unauthorized access or trust...

Improper Check for Certificate Revocation

Overview Affected versions of this package are vulnerable to Improper Check for Certificate Revocation in the SignatureKey verification process. An attacker can bypass revocation enforcement by presenting a certificate with a revoked SignatureKey, potentially allowing unauthorized access or trust...

Amazon Linux 2023 : mount-s3 (ALAS2023-2026-1655)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1655 advisory. A logic error in CRL distribution point validation in AWS-LC before 1.71.0 causes partitioned CRLs to be incorrectly rejected as out of scope, which allows a revoked certificate to bypass certificate...

tomcat: Apache Tomcat: Certificate revocation bypass due to improper OCSP response validation

A flaw was found in Apache Tomcat. When an Online Certificate Status Protocol OCSP responder is used, the Tomcat Native component, and Tomcat's FFM port of the Tomcat Native code, does not properly verify or check the freshness of the OCSP response. This improper input validation vulnerability...

Important: Red Hat Security Advisory: tomcat security update

An update for tomcat is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

RHEL 10 : tomcat (RHSA-2026:19054)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:19054 advisory. Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages JSP technologies. Security Fixes: tomcat: Apache Tomcat: Certificate...

ALSA-2026:19054 Important: tomcat security update

Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages JSP technologies. Security Fixes: tomcat: Apache Tomcat: Certificate revocation bypass due to improper OCSP response validation CVE-2026-24734 For more details about the security issues, including the impact, a CVSS...

curl: CURLOPT_PROXY_CRLFILE / CURLOPT_PROXY_ISSUERCERT / CURLOPT_PROXY_ISSUERCERT_BLOB silently ignored on backends that don't support them

From the Mythos report 2026-05-06 F1. CURLOPTPROXYCRLFILE / CURLOPTPROXYISSUERCERT / CURLOPTPROXYISSUERCERTBLOB silently ignored on backends that don't support them — severity Low https://github.com/curl/curl/blob/455bebc2c7/lib/setopt.cL1786-L1797...

CLSA-2026-1778020314 openssl: Fix of CVE-2026-28388

CVE-2026-28388: fix NULL pointer dereference in checkdeltabase when delta CRL lacks CRL Number extension...

ALPINE-CVE-2026-3832

A flaw was found in gnutls. A remote attacker could exploit this vulnerability by presenting a specially crafted Online Certificate Status Protocol OCSP response during a TLS handshake. Due to a logic error in how gnutls processes multi-record OCSP responses, a client with OCSP verification enabl...

EUVD-2026-26402

A flaw was found in gnutls. A remote attacker could exploit this vulnerability by presenting a specially crafted Online Certificate Status Protocol OCSP response during a TLS handshake. Due to a logic error in how gnutls processes multi-record OCSP responses, a client with OCSP verification enabl...

CVE-2026-3832

A flaw was found in gnutls. A remote attacker could exploit this vulnerability by presenting a specially crafted Online Certificate Status Protocol OCSP response during a TLS handshake. Due to a logic error in how gnutls processes multi-record OCSP responses, a client with OCSP verification enabl...

GnuTLS 安全漏洞

GnuTLS is an open-source, free security communication library developed by GnuTLS. GnuTLS has a security vulnerability that stems from a logical error in handling multi-record OCSP responses. This vulnerability could allow remote attackers to cause clients to incorrectly accept revoked server...

Medium: openssl-snapsafe

Issue Overview: NULL Pointer Dereference When Processing a Delta CRL NOTE: https://openssl-library.org/news/secadv/20260407.txt CVE-2026-28388 Possible NULL dereference when processing CMS KeyAgreeRecipientInfo CVE-2026-28389 Possible NULL dereference when processing CMS KeyTransportRecipientInfo...

JLSEC-2026-234 Vulnerable OpenSSL included in cryptography wheels

There is a type confusion vulnerability relating to X.400 address processing inside an X.509 GeneralName. X.400 addresses were parsed as an ASN1STRING but the public structure definition for GENERALNAME incorrectly specified the type of the x400Address field as ASN1TYPE. This field is subsequentl...

OESA-2026-2079 shim security update

Initial UEFI bootloader that handles chaining to a trusted full \ bootloader under secure boot environments. Security Fixes: Issue summary: When a delta CRL that contains a Delta CRL Indicator extension is processed a NULL pointer dereference might happen if the required CRL Number extension is...

OESA-2026-2042 openssl security update

Security Fixes: Issue summary: An uncommon configuration of clients performing DANE TLSA-based server authentication, when paired with uncommon server DANE TLSA records, may result in a use-after-free and/or double-free on the client side. Impact summary: A use after free can have a range of...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: tomcat (UTSA-2026-014270)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-014270 advisory. Improper Input Validation vulnerability in Apache Tomcat Native, Apache Tomcat. When using an OCSP responder, Tomcat Native and Tomcat's FFM port of the Tomcat Nativ...

Reachable panic in certificate revocation list parsing

A panic was reachable when parsing certificate revocation lists via BorrowedCertRevocationList::fromder or OwnedCertRevocationList::fromder. This was the result of mishandling a syntactically valid empty BIT STRING appearing in the onlySomeReasons element of a IssuingDistributionPoint CRL...