Important: Red Hat Security Advisory: Red Hat OpenStack Services on OpenShift 18.0 (golang-github-openstack-k8s-operators-os-diff) security update

An update for golang-github-openstack-k8s-operators-os-diff is now available for Red Hat OpenStack Services on OpenShift 18.0 Antelope. 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...

crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building

A flaw was found in the Go standard library packages crypto/x509 and crypto/tls. During the process of building a certificate chain, an attacker can provide a large number of intermediate certificates. This excessive input is not properly limited, leading to an uncontrolled amount of work being...

crypto/x509: Incorrect enforcement of email constraints in crypto/x509

A certificate validation flaw has been discovered in the golang crypto/x509 module. When verifying a certificate chain which contains a certificate containing multiple email address constraints which share common local portions but different domain portions, these constraints will not be properly...

crypto/x509: golang: Go crypto/x509: Certificate validation bypass due to incorrect DNS constraint application

A flaw was found in the crypto/x509 package within Go golang. When verifying a certificate chain, excluded DNS Domain Name System constraints are not correctly applied to wildcard DNS Subject Alternative Names SANs if the case of the SAN differs from the constraint. This oversight could allow an...

crypto/x509: golang: Go crypto/x509: Denial of Service via inefficient certificate chain validation

A flaw was found in Go's crypto/x509 package. A remote attacker could exploit this by presenting a specially crafted certificate chain containing a large number of policy mappings. This inefficient validation process consumes excessive resources, which can lead to a denial of service DoS for...

crypto/x509: golang: Denial of Service due to excessive resource consumption via crafted certificate

A flaw was found in golang. A remote attacker could exploit this vulnerability by providing a specially crafted certificate during the error string construction process within the HostnameError.Error function. This flaw, caused by unbounded string concatenation, leads to excessive resource...

SUSE-SU-2026:3032-1 Security update for glib-networking

This update for glib-networking fixes the following issue - CVE-2026-10028: two certificates which are each signed by the other can lead to an infinite loop bsc1267979...

Security update for python-cryptography

This update for python-cryptography fixes the following issues CVE-2026-41676: openssl: Deriver:derive and PkeyCtxRef:derive can overflow short buffers on OpenSSL 1.1.1 bsc1270208. CVE-2026-41677: openssl: out-of-bounds read in PEM password callback when returning an oversized length in rust-...

CVE-2026-13385

An Improper Validation of Integrity Check Value and Improper Certificate Validation in certain ASUS router models allows a remote man-in-the-middleMITM user to make the router download and execute arbitrary command via a spoofed server. Refer to the ' Security Update for ASUS Router Firmware '...

CVE-2026-13385

The CVE-2026-13385 entry affects certain ASUS router models. It covers an vulnerability path where an attacker can perform a remote MITM to cause the device to download and execute arbitrary commands via a spoofed server, due to improper validation of the integrity check value and improper certif...

CVE-2026-13385

An Improper Validation of Integrity Check Value and Improper Certificate Validation in certain ASUS router models allows a remote man-in-the-middleMITM user to make the router download and execute arbitrary command via a spoofed server. Refer to the ' Security Update for ASUS Router Firmware '...

EUVD-2026-44590

An Improper Validation of Integrity Check Value and Improper Certificate Validation in certain ASUS router models allows a remote man-in-the-middleMITM user to make the router download and execute arbitrary command via a spoofed server. Refer to the ' Security Update for ASUS Router Firmware '...

CVE-2026-13385

An Improper Validation of Integrity Check Value and Improper Certificate Validation in certain ASUS router models allows a remote man-in-the-middleMITM user to make the router download and execute arbitrary command via a spoofed server. Refer to the ' Security Update for ASUS Router Firmware '...

crypto/x509: golang: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries

A flaw was found in the crypto/x509 package of golang. This vulnerability allows a remote attacker to cause a Denial of Service DoS by presenting a specially crafted X.509 certificate with a large number of DNS Subject Alternative Name SAN entries. The certificate verification process, specifical...

SUSE SLES12: gnutls / libgnutls-devel / libgnutls-openssl-devel / etc (SUSE-SU-2026:2924-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2924-1 advisory. This update for gnutls fixes the following issues - CVE-2026-3833: incorrectly accepted domain names due to comparison during name constraints...

PT-2026-58872

Name of the Vulnerable Software and Affected Versions ASUS router models affected versions not specified Description Improper Validation of Integrity Check Value and Improper Certificate Validation allow a remote man-in-the-middle MITM user to force the router to download and execute arbitrary...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : GnuTLS vulnerabilities (USN-8539-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8539-1 advisory. Haruto Kimura discovered that GnuTLS did not properly apply permitted name constraints in certain certificate validation paths. A...

SUSE SLES12 Security Update : gnutls (SUSE-SU-2026:2923-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2923-1 advisory. This update for gnutls fixes the following issues - CVE-2026-3833: incorrectly accepted domain names due to comparison during name constraints...

RHEL 9 : Red Hat OpenStack Services on OpenShift 18.0 (erlang) (RHSA-2026:39809)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:39809 advisory. Erlang is a general-purpose programming language and runtime environment. Erlang has built-in support for concurrency, distribution and fau...

Oracle Linux 10 : tomcat (ELSA-2026-19054)

The remote Oracle Linux 10 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-19054 advisory. - Resolves: RHEL-150719 Certificate revocation bypass due to improper OCSP response validation CVE-2026-24734 - Resolves: RHEL-124493 tomcat: Directory...