GHSA-p93r-85wp-75v3
Bouncy Castle Has Covert Timing Channel Vulnerability
At a glance
- Published
- Updated
- CVE
- CVE-2026-5598
- CVSS_V4
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:U/S:P/AU:Y/U:Red
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 only affects users of the FrodoKEM algorithm involved in the decryption of encapsulations. This issue affects BC-JAVA: from 1.71 to 1.80.1, 1.81, 1.82 to 1.83. Fixed versions: 1.80.2, 1.81.1, 1.84
Affected packages
| Package | Versions |
|---|---|
| Maven · org.bouncycastle:bcprov-jdk15to18 | introduced 1.71, fixed 1.80.2 |
| Maven · org.bouncycastle:bcprov-jdk14 | introduced 1.81, fixed 1.81.1 |
| Maven · org.bouncycastle:bcprov-jdk18on | introduced 1.82, fixed 1.84 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-5598 ADVISORY
- https://github.com/bcgit/bc-java/commit/8692e6b2b191fc4aafa32545c7a78bdb9bf110c5 WEB
- https://github.com/bcgit/bc-java/commit/94abbd56413dfdac651fd878bc60253871ef5e87 WEB
- https://github.com/bcgit/bc-java PACKAGE
- https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%905598 WEB
- https://github.com/bcgit/bc-java/wiki/CVE-2026-5598 WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |