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VULNERABILITIES

CVE-2026-5588 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: redhat-SADPCVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://access.redhat.com/errata/RHSA-2026:11720 redhat-SADP
https://access.redhat.com/errata/RHSA-2026:11721 redhat-SADP
https://access.redhat.com/errata/RHSA-2026:13631 redhat-SADP
https://access.redhat.com/errata/RHSA-2026:14272 redhat-SADP
https://access.redhat.com/errata/RHSA-2026:14276 redhat-SADP

see all 30 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-327Use of a Broken or Risky Cryptographic Algorithmbcorg
CWE-347Improper Verification of Cryptographic Signatureredhat-SADP

Affected Products

No affected product data is available for this CVE.

Change History

19 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-5588
NVD Published Date:
Apr 15, 2026
NVD Last Modified:
Sep 18, 2026
Source:
bcorg