This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2026-8763 →

DEBIAN-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...

Original description

The description as published by the source.

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).

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 bouncycastle

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Debian:13 bouncycastle

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Debian:14 bouncycastle

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.86-1"}]}]

References

advisory security-tracker.debian.org