CVE-2026-8763

Public on 2026-08-03
Modified on 2026-08-05
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).
Severity
Important severity
Important
See what this means
CVSS v3 Base Score
7.4
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2023 bouncycastle Pending Fix

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2026-8763 Mitre: CVE-2026-8763