CVE-2026-5598
unknown
CVSS v3
—
CVSS v4 NEW
8.9
VIR risk
—
Description
Bouncy Castle Has Covert Timing Channel Vulnerability
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Mixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Affected | — |
| sid | Affected | — |
| forky | Affected | — |
| bullseye | Fixed | 0 |
| bookworm | Affected | — |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Maven | org.bouncycastle:bcprov-jdk15to18 | >=1.71,<1.84 | 1.84 |
| Maven | org.bouncycastle:bcprov-jdk14 | >=1.71,<1.84 | 1.84 |
| Maven | org.bouncycastle:bcprov-jdk18on | >=1.71,<1.84 | 1.84 |
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://security-tracker.debian.org/tracker/CVE-2026-5598
- https://nvd.nist.gov/vuln/detail/CVE-2026-5598
- https://github.com/bcgit/bc-java
- https://github.com/bcgit/bc-java/wiki/CVE-2026-5598
- https://www.suse.com/security/cve/CVE-2026-5598.html
CWEs
CWE-385
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.