PT-2026-67232 · Unknown · Bouncy Castle For Java+1
CVE-2026-59639
·
Published
2026-08-03
·
Updated
2026-08-24
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
Bouncy Castle for Java FIPS (BC-FJA) bcpkix-fips versions prior to 1.0.12
Bouncy Castle for Java FIPS (BC-FJA) bcpkix-fips versions prior to 2.0.12
Bouncy Castle for Java FIPS (BC-FJA) bcpkix-fips versions prior to 2.1.12
Description
The
verifySignatures() function in the CMS (Cryptographic Message Syntax) module incorrectly returns a true value when processing SignedData that contains zero signers.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.
Update Bouncy Castle for Java FIPS (BC-FJA) bcpkix-fips to version 1.0.12 or later for the 1.0.X series.
Update Bouncy Castle for Java FIPS (BC-FJA) bcpkix-fips to version 2.0.12 or later for the 2.0.X series.
Update Bouncy Castle for Java FIPS (BC-FJA) bcpkix-fips to version 2.1.12 or later for the 2.1.X series.
Exploit
Fix
Improper Verification of Cryptographic Signature
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Weakness Enumeration
Related Identifiers
Affected Products
Bouncy Castle For Java
Bcpkix Fips