heimdal

Heimdal Heimdal is an implementation of: ASN.1/DER, PKIX, and Kerberos. For information how to install see here. There are man pages for most of the commands. Bug reports and bugs are appreciated. Use GitHub issues. For more information see the project homepage https://heimdal.software/heimdal/ o...

CVE-2026-63577

Improper certificate validation in the directoryName name-constraint check PkixNameConstraintValidator.WithinDNSubtree in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows an attacker who controls, or can have certificates issued by, a name-constrained intermediate CA to get...

CVE-2026-103602

Improper certificate validation in PkixNameConstraintValidator in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows an attacker who controls, or can obtain certificates from, a name-constrained intermediate CA to have certificates accepted during PKIX certification path validation fo...

CVE-2026-103602

The bc-csharp library by Legion of the Bouncy Castle Inc. versions before 2.7.0 is vulnerable to improper certificate validation in the PkixNameConstraintValidator component. The root cause is a failure to remove the RFC 1034 root-label trailing dot during comparison between names and constraints...

EUVD-2026-91232

Improper certificate validation in PkixNameConstraintValidator in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows an attacker who controls, or can obtain certificates from, a name-constrained intermediate CA to have certificates accepted during PKIX certification path validation fo...

CVE-2026-63577

The bc-csharp library (versions before 2.7.0 ) by Legion of the Bouncy Castle Inc. contains an improper certificate validation flaw in the PkixNameConstraintValidator.WithinDNSubtree check. The root cause is that the validator identifies the first Relative Distinguished Name (RDN) of a constraint...

EUVD-2026-91228

Improper certificate validation in the directoryName name-constraint check PkixNameConstraintValidator.WithinDNSubtree in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows an attacker who controls, or can have certificates issued by, a name-constrained intermediate CA to get...

PT-2026-104123

Name of the Vulnerable Software and Affected Versions bc-csharp versions prior to 2.7.0 Description Improper certificate validation occurs in the PkixNameConstraintValidator function. An attacker controlling a name-constrained intermediate CA can cause certificates to be accepted during PKIX...

ROOT-APP-MAVEN-CVE-2026-12802 CVE-2026-12802 in org.bouncycastle:bcpkix-jdk18on - Patched by Root

Root has patched CVE-2026-12802 in the org.bouncycastle:bcpkix-jdk18on package for Root:Maven. Multiple fixed versions available...

bouncycastle: BC-JAVA: PKIX draft CompositeVerifier accepts empty signature sequence as valid

A flaw was found in Legion of the Bouncy Castle Inc. BC-JAVA bcpkix. The PKIX draft CompositeVerifier implementation improperly accepts an empty signature sequence as a valid cryptographic signature. This issue allows a remote attacker to bypass signature verification mechanisms, potentially...

bouncycastle: BC-JAVA: PKIX draft CompositeVerifier accepts empty signature sequence as valid

A flaw was found in Legion of the Bouncy Castle Inc. BC-JAVA bcpkix. The PKIX draft CompositeVerifier implementation improperly accepts an empty signature sequence as a valid cryptographic signature. This issue allows a remote attacker to bypass signature verification mechanisms, potentially...

Improper Certificate Validation

Overview org.bouncycastle:bcprov-jdk15on is a Java implementation of cryptographic algorithms. Affected versions of this package are vulnerable to Improper Certificate Validation in the check method of ProvOcspRevocationChecker, which verifies a stapled OCSP response's signature and then treats t...

UBUNTU-CVE-2026-42789

Improper Following of a Certificate's Chain of Trust vulnerability in Erlang OTP publickey pubkeycert module allows a non-CA certificate to be accepted as an intermediate issuer, enabling certificate chain forgery. In lib/publickey/src/pubkeycert.erl, pubkeycert:validateextensions/7 contains two...

EUVD-2026-32272

Improper Following of a Certificate's Chain of Trust vulnerability in Erlang OTP publickey pubkeycert module allows a non-CA certificate to be accepted as an intermediate issuer, enabling certificate chain forgery. In lib/publickey/src/pubkeycert.erl, pubkeycert:validateextensions/7 contains two...

Erlang/OTP -- OCSP responder certificate accepted after expiry in public_key

https://github.com/erlang/otp/security/advisories/GHSA-cjxj-wj6x-3fff reports: Erlang/OTP's publickey application fails to validate the validity period of OCSP responder certificates during response verification. An attacker possessing an expired OCSP responder's private key can forge responses...

Important: Red Hat Security Advisory: Red Hat Build of Apache Camel 4.14 for Quarkus 3.27 update is now available (RHBQ 3.27.3.SP1)

An update for Red Hat Build of Apache Camel 4.14 for Quarkus 3.27 update is now available RHBQ 3.27.3.SP1. The purpose of this text-only errata is to inform you about the enhancements that improve your developer experience and ensure the security and stability of your products. Red Hat Product...

Security update for bouncycastle

This update for bouncycastle fixes the following issues: Update to version 1.84. Security issues fixed: CVE-2025-14813: GOSTCTR implementation unable to process more than 255 blocks correctly bsc1262225. CVE-2026-0636: LDAP injection in LDAPStoreHelper.java leads to information disclosure...

Linux Distros Unpatched Vulnerability : CVE-2026-5588

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Use of a Broken or Risky Cryptographic Algorithm vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcpkix on all pkix modules, Legion of the Bouncy Cast...

GHSA-WG6Q-6289-32HP Bouncy Castle Crypto Package For Java: Use of a Broken or Risky Cryptographic Algorithm vulnerability in bcpkix modules

: Use of a Broken or Risky Cryptographic Algorithm vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcpkix on all pkix modules. PKIX draft CompositeVerifier accepts empty signature sequence as valid. This issue affects BC-JAVA: from 1.49 before 1.84...

CVE-2026-5588

Use of a Broken or Risky Cryptographic Algorithm vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcpkix on all pkix modules, Legion of the Bouncy Castle Inc. BCPKIX-FIPS bcpkix on All pkix modules, Legion of the Bouncy Castle Inc. BCPIX-LTS bcpkix on All pkix modules. This vulnerability...