GHSA-9pwp-9qqc-pr26

Bouncy Castle: Name Constraints bypass via trailing dot in rfc822Name and URI

At a glance

Published
Updated
CVE
CVE-2026-8763
CVSS_V3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS_V4
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/U:Amber

Description

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).

Affected packages

PackageVersions
Maven · org.bouncycastle:bc-fipsintroduced 0, fixed 1.0.2.7
Maven · org.bouncycastle:bc-fipsintroduced 2.0.0, fixed 2.0.2
Maven · org.bouncycastle:bc-fipsintroduced 2.1.0, fixed 2.1.3
Maven · org.bouncycastle:bcprov-jdk18onintroduced 0, fixed 1.85
Maven · org.bouncycastle:bcprov-lts8onintroduced 0, fixed 2.73.12
Maven · org.bouncycastle:bcprov-jdk15to18introduced 0, fixed 1.85

References

Sources

SourceLicence
OSV.devCC-BY 4.0 — GitHub Advisory Database