Important: Red Hat Security Advisory: golang security update

An update for golang 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...

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...

Important: Red Hat Security Advisory: golang-github-openprinting-ipp-usb security update

An update for golang-github-openprinting-ipp-usb 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 f...

CLSA-2026-1779107085 gnutls: Fix of CVE-2026-3833

CVE-2026-3833: fix nameConstraints dNSName/rfc822Name case-sensitive memcmp bypass...

CLSA-2026-1779120390 gnutls: Fix of CVE-2026-3833

CVE-2026-3833: fix excludedSubtrees/permittedSubtrees bypass by performing case-insensitive comparison of dNSName and rfc822Name domain labels in X.509 nameConstraints processing...

CLSA-2026-1779120347 gnutls: Fix of CVE-2026-3833

CVE-2026-3833: fix nameConstraints dNSName/rfc822Name case-sensitive memcmp bypass...

ALSA-2026:19022 Important: golang security update

The golang packages provide the Go programming language compiler. Security Fixes: crypto/x509: Incorrect enforcement of email constraints in crypto/x509 CVE-2026-27137 net/url: Incorrect parsing of IPv6 host literals in net/url CVE-2026-25679 For more details about the security issues, including...

ALSA-2026:19181 Important: golang security update

The golang packages provide the Go programming language compiler. Security Fixes: crypto/x509: Incorrect enforcement of email constraints in crypto/x509 CVE-2026-27137 net/url: Incorrect parsing of IPv6 host literals in net/url CVE-2026-25679 For more details about the security issues, including...

RHEL 9 : golang (RHSA-2026:19181)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:19181 advisory. The golang packages provide the Go programming language compiler. Security Fixes: crypto/x509: Incorrect enforcement of email constraints i...

Important: golang security update

The golang packages provide the Go programming language compiler. Security Fixes: crypto/x509: Incorrect enforcement of email constraints in crypto/x509 CVE-2026-27137 net/url: Incorrect parsing of IPv6 host literals in net/url CVE-2026-25679 For more details about the security issues, including...

OPENSUSE-SU-2026:20778-1 Security update for gnutls

This update for gnutls fixes the following issues - CVE-2026-3832: cert-session: fix multi-entry OCSP revocation bypass bsc1263706. - CVE-2026-3833: x509/name-constraints: compare domain names case-insensitive bsc1263707. - CVE-2026-5260: lib/pkcs11privkey: guard against overreading on short...

SUSE-SU-2026:21815-1 Security update for gnutls

This update for gnutls fixes the following issues - CVE-2026-3832: cert-session: fix multi-entry OCSP revocation bypass bsc1263706. - CVE-2026-3833: x509/name-constraints: compare domain names case-insensitive bsc1263707. - CVE-2026-5260: lib/pkcs11privkey: guard against overreading on short...

SUSE-SU-2026:21752-1 Security update for gnutls

This update for gnutls fixes the following issues - CVE-2026-3832: cert-session: fix multi-entry OCSP revocation bypass bsc1263706. - CVE-2026-3833: x509/name-constraints: compare domain names case-insensitive bsc1263707. - CVE-2026-5260: lib/pkcs11privkey: guard against overreading on short...

OESA-2026-2335 gnutls security update

GnuTLS is a secure communications library implementing the SSL, TLS and DTLS protocols and technologies around them. It provides a simple C language application programming interface API to access the secure communications protocols as well as APIs to parse and write X.509, PKCS 12, and other...

OESA-2026-2334 gnutls security update

GnuTLS is a secure communications library implementing the SSL, TLS and DTLS protocols and technologies around them. It provides a simple C language application programming interface API to access the secure communications protocols as well as APIs to parse and write X.509, PKCS 12, and other...

OESA-2026-2333 gnutls security update

GnuTLS is a secure communications library implementing the SSL, TLS and DTLS protocols and technologies around them. It provides a simple C language application programming interface API to access the secure communications protocols as well as APIs to parse and write X.509, PKCS 12, and other...

CLSA-2026-1778839424 gnutls: Fix of CVE-2026-3833

CVE-2026-3833: fix excludedSubtrees/permittedSubtrees bypass by performing case-insensitive comparison of dNSName and rfc822Name domain labels in X.509 nameConstraints processing...

CLSA-2026-1778835563 gnutls: Fix of CVE-2026-3833

CVE-2026-3833: fix excludedSubtrees/permittedSubtrees bypass by performing case-insensitive comparison of dNSName and rfc822Name domain labels in X.509 nameConstraints processing...

CLSA-2026-1778832314 Fix CVE(s): CVE-2026-3833

SECURITY UPDATE: Certificate policy bypass via case-sensitive nameConstraints - debian/patches/CVE-2026-3833.patch: replace memcmp with cstrncasecmp in endswith, emailendswith, dnsnamematches and emailmatches in lib/x509/nameconstraints.c so DNS labels and email domains are compared...

MGASA-2026-0139 Updated tomcat packages fix security vulnerability

Unbounded read in WebDAV LOCK and PROPFIND handling. CVE-2026-41284 HTTP/2 request headers not validated. CVE-2026-41293 WebSocket authentication header exposure. CVE-2026-42498 Digest authenticator will authenticate any unknown user. CVE-2026-43512 LockOutRealm treats user names as case-sensitiv...