Security Bulletin: IBM DataPower Gateway affected by multiple CVEs in gnutls

Summary IBM DataPower Gateway has addressed multiple vulnerabilities in gnutls in version 11.0.0.3 Vulnerability Details CVEID:CVE-2026-3832 DESCRIPTION: A flaw was found in gnutls. A remote attacker could exploit this vulnerability by presenting a specially crafted Online Certificate Status...

CLEANSTART-2026-QV01130 Improper OCSP response validation in the Snowflake Python, Go, JDBC, and Node

Security vulnerability affects the vault package. Improper OCSP response validation in the Snowflake Python, Go, JDBC, and Node...

K000163345: GnuTLS vulnerability CVE-2026-3832

Security Advisory Description 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 clien...

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...

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...

K000163238: OpenSSL vulnerability CVE-2026-54876

Security Advisory Description Issue summary: A malicious TLS server can cause a memory leak in a TLS client that has enabled OCSP response checking by sending an OCSP response that contains no single response entries. Impact summary: An attacker can leak an attacker-tunable amount of memory per T...

Improper Certificate Validation

Overview snowflake-connector-python is a Snowflake Connector for Python Affected versions of this package are vulnerable to Improper Certificate Validation in the OCSP processing functionality, which accepts an OCSP response without checking that its CertID matches the certificate being validated...

CVE-2026-54876

A flaw was found in OpenSSL. A malicious TLS Transport Layer Security server can exploit this vulnerability by sending a specially crafted OCSP Online Certificate Status Protocol response during the X.509 certificate chain verification process. This can lead to a memory leak in client application...

openssl: openssl-src: OpenSSL: Memory leak leads to Denial of Service in OCSP response checking

A flaw was found in OpenSSL. A malicious TLS Transport Layer Security server can exploit this vulnerability by sending a specially crafted OCSP Online Certificate Status Protocol response during the X.509 certificate chain verification process. This can lead to a memory leak in client application...

openssl: openssl-src: OpenSSL: Memory leak leads to Denial of Service in OCSP response checking

A flaw was found in OpenSSL. A malicious TLS Transport Layer Security server can exploit this vulnerability by sending a specially crafted OCSP Online Certificate Status Protocol response during the X.509 certificate chain verification process. This can lead to a memory leak in client application...

httpd: mod_md: unrestricted OCSP response leads to resource exhaustion

A flaw was found in the modmd module of httpd. When processing OCSP Online Certificate Status Protocol responses from a malicious or compromised OCSP responder, the module fails to enforce proper size limits on the incoming data. This issue leads to memory exhaustion and a denial of service...

Moderate: Red Hat Security Advisory: mod_md security update

An update for modmd is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

RHEL 9 : mod_md (RHSA-2026:57844)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:57844 advisory. This module manages common properties of domains for one or more virtual hosts. Specifically it can use the ACME protocol to automate certificate...

Moderate: Red Hat Security Advisory: mod_md security update

An update for modmd is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

RHEL 9 : mod_md (RHSA-2026:57641)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:57641 advisory. This module manages common properties of domains for one or more virtual hosts. Specifically it can use the ACME protocol to automate certificate...

RHEL 9 : mod_md (RHSA-2026:57642)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:57642 advisory. This module manages common properties of domains for one or more virtual hosts. Specifically it can use the ACME protocol to automate certificate...

openssl: openssl-src: OpenSSL: Memory leak leads to Denial of Service in OCSP response checking

A flaw was found in OpenSSL. A malicious TLS Transport Layer Security server can exploit this vulnerability by sending a specially crafted OCSP Online Certificate Status Protocol response during the X.509 certificate chain verification process. This can lead to a memory leak in client application...

openssl: openssl-src: OpenSSL: Memory leak leads to Denial of Service in OCSP response checking

A flaw was found in OpenSSL. A malicious TLS Transport Layer Security server can exploit this vulnerability by sending a specially crafted OCSP Online Certificate Status Protocol response during the X.509 certificate chain verification process. This can lead to a memory leak in client application...

CVE-2026-58062

A flaw was found in Bouncy Castle for Java. A remote attacker could exploit this by presenting a stapled Online Certificate Status Protocol OCSP response that is not properly bound to the certificate being checked. This vulnerability allows for a certificate validation bypass, potentially leading...

openssl: openssl-src: OpenSSL: Memory leak leads to Denial of Service in OCSP response checking

A flaw was found in OpenSSL. A malicious TLS Transport Layer Security server can exploit this vulnerability by sending a specially crafted OCSP Online Certificate Status Protocol response during the X.509 certificate chain verification process. This can lead to a memory leak in client application...