CVE-2026-59640 Affecting bouncycastle-pkix package, versions <1.85-150200.3.38.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.26% (19th percentile)

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  • Snyk IDSNYK-SLES154-BOUNCYCASTLEPKIX-18673975
  • published12 Aug 2026
  • disclosed10 Aug 2026

Introduced: 10 Aug 2026

NewCVE-2026-59640  (opens in a new tab)

How to fix?

Upgrade SLES:15.4 bouncycastle-pkix to version 1.85-150200.3.38.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bouncycastle-pkix package and not the bouncycastle-pkix package as distributed by SLES. See How to fix? for SLES:15.4 relevant fixed versions and status.

In Bouncy Castle for Java before 1.85, OpenPGP CFB quick-check oracle active on symmetric/session-key paths. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpg-fips 1.0.13 (1.0.X series), 2.0.13 (2.0.X series) and 2.1.13 (2.1.X series).

CVSS Base Scores

version 3.1