Vulnerability Description
Covert timing channel vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA core on all (core modules). This vulnerability is associated with program files FrodoEngine.Java. This issue affects BC-JAVA: from 1.71 before 1.80.2, from 1.81 before 1.81.1, from 1.82 before 1.84.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/bcgit/bc-java/commit/8692e6b2b191fc4aafa32545c7a78bdb9bf110c5
- https://github.com/bcgit/bc-java/commit/94abbd56413dfdac651fd878bc60253871ef5e87
- https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%905598
- https://access.redhat.com/errata/RHSA-2026:12267
- https://access.redhat.com/errata/RHSA-2026:12269
- https://access.redhat.com/errata/RHSA-2026:18054
- https://access.redhat.com/errata/RHSA-2026:18055
- https://access.redhat.com/errata/RHSA-2026:18059
- https://access.redhat.com/security/cve/CVE-2026-5598
- https://bugzilla.redhat.com/show_bug.cgi?id=2458635
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-5598.json
FAQ
What is CVE-2026-5598?
CVE-2026-5598 is a vulnerability with a CVSS score of 7.5 (HIGH). Covert timing channel vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA core on all (core modules). This vulnerability is associated with program files FrodoEngine.Java. This issue affect...
How severe is CVE-2026-5598?
CVE-2026-5598 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-5598?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.