PT-2026-67020 · Unknown · Bouncy Castle For Java
CVE-2026-12860
·
Published
2026-08-03
·
Updated
2026-08-10
CVSS v4.0
8.7
High
| Vector | AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/U:Amber |
Name of the Vulnerable Software and Affected Versions
Bouncy Castle for Java versions prior to 1.85
Bouncy Castle for Java LTS versions prior to 2.73.12
Description
RSA PKCS#1 verification skips the last two hash bytes when using the NULL-omitted path.
Recommendations
Update Bouncy Castle for Java to version 1.85 or later.
Update Bouncy Castle for Java LTS to version 2.73.12 or later.
Exploit
Fix
Improper Verification of Cryptographic Signature
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Weakness Enumeration
Related Identifiers
Affected Products
Bouncy Castle For Java