Description

In Bouncy Castle for Java before 1.85, S/MIME validator trusts signer-asserted signingTime for path validation. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcmail-fips and bcjmail-fips 1.0.7 (1.0.X series), 2.0.7 (2.0.X series) and 2.1.7 (2.1.X series).

Severity (CVSS)

Base score8.7
SeverityHigh
VersionCVSS 4.0
VectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/U:Amber
Provided byCNA

Weaknesses

  • CWE-345 — CWE-345 Insufficient Verification of Data Authenticity

Affected products

VendorProductVersions
Legion of the Bouncy Castle Inc.BC-JAVA0 to <1.85
Legion of the Bouncy Castle Inc.BC-LTS-JAVA2.73.0 to <2.73.12
Legion of the Bouncy Castle Inc.BC-FJA1.0.0 to <1.0.7; 2.0.0 to <2.0.7; 2.1.0 to <2.1.7
Legion of the Bouncy Castle Inc.BC-FJA1.0.4 to <1.0.7; 2.0.0 to <2.0.7; 2.1.0 to <2.1.7

References

Authoritative sources

This page is a snapshot. For the latest enrichment and updates, view the record on CVE.org or the NVD.

Generated from the official CVE List on 03 Aug 2026 08:53 UTC.