high7.5
CVE-2026-5598
Covert timing channel vulnerability in Legion of the Bouncy Castle Inc.
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| maven | org.bouncycastle:bcprov-jdk15to18 | >= 1.71, < 1.80.2 | 1.80.2 |
| maven | org.bouncycastle:bcprov-jdk14 | >= 1.81, < 1.81.1 | 1.81.1 |
| maven | org.bouncycastle:bcprov-jdk18on | >= 1.82, < 1.84 | 1.84 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-p93r-85wp-75v3
- https://nvd.nist.gov/vuln/detail/CVE-2026-5598
- https://github.com/bcgit/bc-java/commit/8692e6b2b191fc4aafa32545c7a78bdb9bf110c5
- https://github.com/bcgit/bc-java/commit/94abbd56413dfdac651fd878bc60253871ef5e87
- https://github.com/bcgit/bc-java/wiki/CVE-2026-5598
- 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/errata/RHSA-2026:53644
- https://access.redhat.com/errata/RHSA-2026:53645
- https://access.redhat.com/errata/RHSA-2026:53646
- 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