CVE-2026-5588 Affecting bouncycastle-util package, versions <1.84-150200.3.35.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.01% (3rd percentile)

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  • Snyk IDSNYK-SLES157-BOUNCYCASTLEUTIL-16333619
  • published1 May 2026
  • disclosed28 Apr 2026

Introduced: 28 Apr 2026

CVE-2026-5588  (opens in a new tab)

How to fix?

Upgrade SLES:15.7 bouncycastle-util to version 1.84-150200.3.35.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bouncycastle-util package and not the bouncycastle-util package as distributed by SLES. See How to fix? for SLES:15.7 relevant fixed versions and status.

Use of a Broken or Risky Cryptographic Algorithm vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcpkix on all (pkix modules), Legion of the Bouncy Castle Inc. BCPKIX-FIPS bcpkix on All (pkix modules), Legion of the Bouncy Castle Inc. BCPIX-LTS bcpkix on All (pkix modules).

This vulnerability is associated with program files JcaContentVerifierProviderBuilder.Java, JcaContentVerfierProviderBuilder.Java.

This issue affects BC-JAVA: from 1.67 before 1.80.2, from 1.81 before 1.81.1, from 1.82 before 1.84; BCPKIX-FIPS: from 2.0.6 before 2.0.11, from 2.1.7 before 2.1.11; BCPIX-LTS: from 2.73.7 before 2.73.11.

CVSS Base Scores

version 3.1