CVE-2026-3833

A flaw was found in gnutls. This vulnerability occurs because gnutls performs case-sensitive comparisons of nameConstraints labels, specifically for dNSName DNS or rfc822Name email constraints within excludedSubtrees or permittedSubtrees. A remote attacker can exploit this by crafting a leaf...

CVE-2026-3833 Gnutls: gnutls: policy bypass due to case-sensitive nameconstraints comparison

A flaw was found in gnutls. This vulnerability occurs because gnutls performs case-sensitive comparisons of nameConstraints labels, specifically for dNSName DNS or rfc822Name email constraints within excludedSubtrees or permittedSubtrees. A remote attacker can exploit this by crafting a leaf...

Improper Handling of Case Sensitivity

Overview Affected versions of this package are vulnerable to Improper Handling of Case Sensitivity in the enforcement of X.509 nameConstraints due to case-sensitive comparisons for dNSName and the domain portion of rfc822Name. An attacker can gain unauthorized certificate validation and potential...

tomcat: security constraint bypass with HTTP/0.9

A flaw was found in Tomcat. An improper input validation vulnerability allows an attacker to bypass security constraints. Specifically, if a security constraint is configured to permit HEAD requests to a URI but deny GET requests, a malformed or specification invalid HEAD request using the HTTP/0...

JLSEC-2026-225 Read buffer overruns processing ASN.1 strings

ASN.1 strings are represented internally within OpenSSL as an ASN1STRING structure which contains a buffer holding the string data and a field holding the buffer length. This contrasts with normal C strings which are repesented as a buffer for the string data which is terminated with a NUL 0 byte...

JLSEC-2026-235 A security vulnerability has been identified in all supported versions

A security vulnerability has been identified in all supported versions of OpenSSL related to the verification of X.509 certificate chains that include policy constraints. Attackers may be able to exploit this vulnerability by creating a malicious certificate chain that triggers exponential use of...

Security update for strongswan

This update for strongswan fixes the following issues: CVE-2026-35328: infinite loop when handling supported versions TLS extension bsc1261712. CVE-2026-35329: null pointer dereference when processing padding in PKCS7 bsc1261717. CVE-2026-35330: integer underflow when handling EAP-SIM/AKA...

SUSE-SU-2026:1637-1 Security update for strongswan

This update for strongswan fixes the following issues: - CVE-2026-35328: infinite loop when handling supported versions TLS extension bsc1261712. - CVE-2026-35329: null pointer dereference when processing padding in PKCS7 bsc1261717. - CVE-2026-35330: integer underflow when handling EAP-SIM/AKA...

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: rhc-worker-playbook security update

An update for rhc-worker-playbook is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. 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...

USN-8196-2 strongswan vulnerabilities

USN-8196-1 fixed vulnerabilities in strongSwan. This update provides the corresponding update to Ubuntu 26.04 LTS. Original advisory details: Haruto Kimura discovered that strongSwan incorrectly handled the supportedversions extension in TLS. A remote attacker could possibly use this issue to cau...

RHEL 10 : rhc-worker-playbook (RHSA-2026:10929)

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:10929 advisory. A worker for yggdrasil that receives Ansible playbooks and executes them against the local host. Security Fixes: crypto/x509: Incorrect...

[SECURITY] Fedora 44 Update: opam-2.5.1-1.fc44

Opam is a source-based package manager for OCaml. It supports multiple simultaneous compiler installations, flexible package constraints, and a Git-friendly development workflow...

[SECURITY] Fedora 43 Update: opam-2.5.1-1.fc43

Opam is a source-based package manager for OCaml. It supports multiple simultaneous compiler installations, flexible package constraints, and a Git-friendly development workflow...

CLSA-2026-1777048319 openssl: Fix of CVE-2023-0464

CVE-2023-0464: fix excessive resource use when verifying X.509 policy constraints...

Fedora 42 : rpki-client (2026-f7b4693f9d)

The remote Fedora 42 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-f7b4693f9d advisory. rpki-client 9.8 - Various refactoring for improved compatibility with various libcrypto implementations and in CA/BGPsec certificate handling. - Fixed an...

CVE-2026-41350

OpenClaw before 2026.3.31 contains a session visibility bypass vulnerability where the sessionstatus function fails to enforce configured tools.sessions.visibility restrictions for unsandboxed invocations. Attackers can invoke sessionstatus without sandbox constraints to bypass session-policy...

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: rhc-worker-playbook security update

An update for rhc-worker-playbook 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...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 : strongSwan vulnerabilities (USN-8196-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8196-1 advisory. Haruto Kimura discovered that strongSwan incorrectly handled the supportedversions extension in TLS. A remote attacker could possibly...