High7.5Red Hat & Ubuntu Linux
private key leakage via non-constant time comparisons
CVE-2026-5598 Published Apr 15, 2026
CVE-2026-5598
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
private key leakage via non-constant time comparisons. Red Hat rates this important (CVSS 7.5). Weakness: CWE-385. Affected package(s): eap8-bouncycastle, bcprov-jdk12, eap7-bouncycastle. Resolved in Red Hat advisory RHSA-2026:18054 — update the affected packages (`sudo dnf update`).
Affected versions
- eap8-bouncycastle-0:1.84.0-1.redhat_00001.1.el8eap
- bcprov-jdk12
- eap8-bouncycastle-0:1.84.0-1.redhat_00001.1.el9eap
- eap7-bouncycastle-0:1.84.0-1.redhat_00001.1.el9eap
- eap7-bouncycastle-0:1.84.0-1.redhat_00001.1.el7eap
- eap7-bouncycastle-0:1.84.0-1.redhat_00001.1.el8eap
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Fixed versions
- RHSA-2026:18054
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Update the affected package(s) to the fixed version shipped in RHSA-2026:18054 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
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