Security Bulletin: IBM App Connect Enterprise Certified Container UBI updates

Summary IBM App Connect Enterprise Certified Container ACEcc is built on the Red Hat Universal Base Images. ACEcc operator versions 12.0.22 LTS and 13.0.0 address the listed CVEs found in the base images. This bulletin provides patch information to address the reported vulnerabilities...

gnutls: GnuTLS: Denial of Service via excessive resource consumption during certificate verification

A flaw was found in GnuTLS. This vulnerability allows a denial of service DoS by excessive CPU Central Processing Unit and memory consumption via specially crafted malicious certificates containing a large number of name constraints and subject alternative names SANs...

EUVD-2026-14694

Modgnutls is a TLS module for Apache HTTPD based on GnuTLS. Prior to version 0.13.0, code for client certificate verification did not check the key purpose as set in the Extended Key Usage extension. An attacker with access to the private key for a valid certificate issued by a CA trusted for TLS...

gnutls security update

3.8.3-10 - Fix PKCS11 token initialization label overflow CVE-2025-9820 - Fix name constraint processing performance issue CVE-2025-14831...

CVE-2025-9820

A flaw was found in the GnuTLS library, specifically in the gnutlspkcs11tokeninit function that handles PKCS11 token initialization. When a token label longer than expected is processed, the function writes past the end of a fixed-size stack buffer. This programming error can cause the applicatio...

CVE-2025-13034

When using CURLOPTPINNEDPUBLICKEY option with libcurl or --pinnedpubkey with the curl tool,curl should check the public key of the server certificate to verify the peer. This check was skipped in a certain condition that would then make curl allow the connection without performing the proper chec...

CVE-2025-13034 No QUIC certificate pinning with GnuTLS

When using CURLOPTPINNEDPUBLICKEY option with libcurl or --pinnedpubkey with the curl tool,curl should check the public key of the server certificate to verify the peer. This check was skipped in a certain condition that would then make curl allow the connection without performing the proper chec...

No QUIC certificate pinning with GnuTLS

When using CURLOPTPINNEDPUBLICKEY option with libcurl or --pinnedpubkey with the curl tool, curl should check the public key of the server certificate to verify the peer. This check was skipped in a certain condition that would then make curl allow the connection without performing the proper...

Nutanix AHV : Multiple Vulnerabilities (NXSA-AHV-10.3.1.2)

The version of AHV installed on the remote host is prior to 10.3.1.2. It is, therefore, affected by multiple vulnerabilities as referenced in the NXSA-AHV-10.3.1.2 advisory. - A heap-buffer-overflow off-by-one flaw was found in the GnuTLS software in the template parsing logic within the certtool...

CLSA-2025-1763418416 gnutls: Fix of CVE-2024-12243

CVE-2024-12243: fix inefficient algorithm in libtasn1 for decoding certain DER-encoded certificate data to prevent denial-of-service condition...

Siemens SIMATIC S7-1500 Use of a Broken or Risky Cryptographic Algorithm (CVE-2020-13777)

GnuTLS 3.6.x before 3.6.14 uses incorrect cryptography for encrypting a session ticket a loss of confidentiality in TLS 1.2, and an authentication bypass in TLS 1.3. The earliest affected version is 3.6.4 2018-09-24 because of an error in a 2018-09-18 commit. Until the first key rotation, the TLS...

Siemens SIMATIC S7-1500 NULL Pointer Dereference (CVE-2025-6395)

A NULL pointer dereference flaw was found in the GnuTLS software in gnutlsfigurecommonciphersuite. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc'; if description...

Astra Linux – Vulnerability in gnutls28

A heap-buffer-overflow off-by-one flaw was discovered in the GnuTLS software during the template parsing logic within the certtool utility. When it reads certain settings from a template file, it allows an attacker to cause an out-of-bounds OOB NULL pointer write, resulting in memory corruption a...

Advisory ROSA-SA-2025-3042

Software: gnutls 3.6.16 OS: ROSA Virtualization 3.0 unaffected versions = gnutls-3.6.16-8.0.0.1.rv30.4 affected versions gnutls-3.6.16-8.0.1.1.rv30.4 CVE-ID: CVE-2024-12243 BDU-ID: None CVE-Crit: MEDIUM CVE-DESC.: A vulnerability in GnuTLS when processing ASN.1 data via libtasn1 could result in...

Security Bulletin: Multiple vulnerabilities in IBM MQ Operator and Queue manager container images

Summary Multiple vulnerabilities were addressed in IBM MQ Operator and Queue manager container images Vulnerability Details CVEID:CVE-2025-32988 DESCRIPTION: A flaw was found in GnuTLS. A double-free vulnerability exists in GnuTLS due to incorrect ownership handling in the export logic of Subject...

gnutls: Vulnerability in GnuTLS certtool template parsing

A heap-buffer-overflow off-by-one flaw was found in the GnuTLS software in the template parsing logic within the certtool utility. When it reads certain settings from a template file, it allows an attacker to cause an out-of-bounds OOB NULL pointer write, resulting in memory corruption and a...

RHEL 9 : gnutls (RHSA-2025:17361)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:17361 advisory. The gnutls packages provide the GNU Transport Layer Security GnuTLS library, which implements cryptographic algorithms and protocols such a...

In Samba, GnuTLS gnutls_rnd() can fail and give predictable random values.

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SUSE-SU-2025:20665-1 Security update for gnutls

This update for gnutls fixes the following issues: - CVE-2025-32988: Fixed double-free due to incorrect ownership handling in the export logic of SAN entries containing an otherName bsc1246232. - CVE-2025-32989: Fixed heap buffer overread when handling the CT SCT extension during X.509 certificat...

Linux Distros Unpatched Vulnerability : CVE-2024-0553

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A vulnerability was found in GnuTLS. The response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from the response times of ciphertexts with...