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...

UBUNTU-CVE-2026-8763

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 Java LTS before 2.73.12, and Bouncy Castle for Java FIPS BC-FJA before bc-fips 1.0.2.7 1.0.X series, 2.0.2 2.0.X series and 2.1.3 2.1.X series...

CVE-2026-8763

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 Java LTS before 2.73.12, and Bouncy Castle for Java FIPS BC-FJA before bc-fips 1.0.2.7 1.0.X series, 2.0.2 2.0.X series and 2.1.3 2.1.X series...

CVE-2026-8763

Vulnerability CVE-2026-8763 affects Bouncy Castle for Java: Name Constraints bypass via trailing dot in rfc822Name and URI. Endpoints affected: BC Java < 1.85; BC Java LTS < 2.73.12; BC-FJA (FIPS) = 1.85 for BC Java; >= 2.73.12 for LTS; bc-fips >= 1.0.2.7/2.0.2/2.1.3 for FIPS). If exp...

PT-2026-67343

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 Java LTS before 2.73.12, and Bouncy Castle for Java FIPS BC-FJA before bc-fips 1.0.2.7 1.0.X series, 2.0.2 2.0.X series and 2.1.3 2.1.X series...

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...