CVE-2026-103602 Name constraints bypass via trailing dot in rfc822Name, dNSName and URI hosts

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 Name constraints bypass via trailing dot in rfc822Name, dNSName and URI hosts

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 Name Constraints bypass: directoryName constraint matched at any position in the DN instead of as a prefix

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-2026-63577 Name Constraints bypass: directoryName constraint matched at any position in the DN instead of as a prefix

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-2026-63577 Name Constraints bypass: directoryName constraint matched at any position in the DN instead of as a prefix

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-2026-63576 URI name constraints checked against a mis-parsed host

Improper certificate validation in PkixNameConstraintValidator ExtractHostFromURL in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows a name-constrained subordinate CA, or anyone able to obtain certificates with chosen subjectAltName URIs from such a CA, to bypass permitted or...

CVE-2026-63576

The bc-csharp library by Legion of the Bouncy Castle Inc. (versions before 2.7.0 ) contains an improper certificate validation vulnerability in the PkixNameConstraintValidator (specifically the ExtractHostFromURL function). The root cause is that the software extracts the host from a URI using st...

CVE-2026-63576: Improper Certificate Validation

Improper certificate validation in PkixNameConstraintValidator ExtractHostFromURL in Legion of the Bouncy Castle Inc. bc-csharp before 2.7.0 allows a name-constrained subordinate CA, or anyone able to obtain certificates with chosen subjectAltName URIs from such a CA, to bypass permitted or...

Atlassian Confluence 8.9.x < 9.2.24 / 9.3.x < 10.2.17 (CONFSERVER-104434)

The version of Atlassian Confluence Server running on the remote host is affected by a vulnerability as referenced in the CONFSERVER-104434 advisory. - In Bouncy Castle for Java before 1.85, Name Constraints bypass via trailing dot in rfc822Name and URI. This issue also affects Bouncy Castle for...

Atlassian Jira Service Management Data Center and Server 10.0.x < 10.3.25 / 10.4.x < 11.3.11 (JSDSERVER-16751)

The version of Atlassian Jira Service Management Data Center and Server Jira Service Desk running on the remote host is affected by a vulnerability as referenced in the JSDSERVER-16751 advisory. - In Bouncy Castle for Java before 1.85, Name Constraints bypass via trailing dot in rfc822Name and UR...

CVE-2026-93600

rustls-webpki (the X.509 certificate verification library in the Rust rustls ecosystem) versions 0.101.0 through 0.103.11 and 0.104.0-alpha releases before 0.104.0-alpha.6 ignore X.509 name constraints that apply to URI names , meaning such constraints are accepted but not enforced. The flaw is o...

BASM (Broken Authentication & Session Management) org.bouncycastle:bcprov-jdk18on Dependency in Jira Software Data Center

This is a vulnerability in a non-Atlassian Jira Software dependency. Atlassian's application of this dependency presents a lower, non-critical assessed risk. This Critical severity BASM Broken Authentication & Session Management vulnerability was introduced in versions 9.12.1, 10.0.0, 10.1.1,...

BASM (Broken Authentication & Session Management) in Jira Service Management Data Center

This is a vulnerability in a non-Atlassian Jira Service Management dependency. Atlassian's application of this dependency presents a lower, non-critical assessed risk. This Critical severity BASM Broken Authentication & Session Management vulnerability was introduced in versions 10.0.0, 10.1.1,...

BASM (Broken Authentication & Session Management) Bouncy Castle Dependency in Confluence Data Center

This is a vulnerability in a non-Atlassian Confluence dependency. Atlassian's application of this dependency presents a lower, non-critical assessed risk. This Critical severity BASM Broken Authentication & Session Management vulnerability was introduced in versions 8.9.0, 9.0.1, 9.1.0, 9.2.0,...

BASM (Broken Authentication & Session Management) at Bouncy Castle Dependency in Crucible Data Center and Server

This is a vulnerability in a non-Atlassian Crucible dependency. Atlassian's application of this dependency presents a lower, non-critical assessed risk. This Critical severity BASM Broken Authentication & Session Management vulnerability was introduced in version 4.9.0 of Crucible Data Center and...

CVE-2026-8763

A flaw was found in Bouncy Castle for Java, a cryptographic library. An attacker can exploit this vulnerability by manipulating rfc822Name and URI fields within X.509 certificates using a trailing dot. This bypasses Name Constraints, potentially leading to spoofing or unauthorized access. Such an...

Security update for bouncycastle

This update for bouncycastle fixes the following issues: CVE-2026-8763: Name Constraints bypass via trailing dot in rfc822Name and URI bsc1272700. CVE-2026-12185: BKS/UBER keystore allocates from untrusted lengths before integrity check bsc1272701. CVE-2026-12802: CMS AuthEnvelopedData fails to...

SUSE-SU-2026:3559-1 Security update for bouncycastle

This update for bouncycastle fixes the following issues: - CVE-2026-8763: Name Constraints bypass via trailing dot in rfc822Name and URI bsc1272700. - CVE-2026-12185: BKS/UBER keystore allocates from untrusted lengths before integrity check bsc1272701. - CVE-2026-12802: CMS AuthEnvelopedData fail...

SUSE-SU-2026:23150-1 Security update for bouncycastle

This update for bouncycastle fixes the following issues: Update to 1.85. Security issues fixed: - CVE-2026-8763: Name Constraints bypass via trailing dot in rfc822Name and URI bsc1272700. - CVE-2026-12185: BKS/UBER keystore allocates from untrusted lengths before integrity check bsc1272701. -...

EulerOS 2.0 SP13 : gnutls (EulerOS-SA-2026-2966)

According to the versions of the gnutls packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw was found in gnutls. This vulnerability occurs because gnutls performs case-sensitive comparisons of nameConstraints labels, specifically f...