Critical [CVE-2026-4599] Private key recovery via incomplete comparison checks biasing DSA nonces
This critical-severity Red Hat Linux advisory covers CVE-2026-4599 affecting Red Hat Quay 3.10, Red Hat Quay 3.12, Red Hat Quay 3.15.
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Summary
Private key recovery via incomplete comparison checks biasing DSA nonces. Red Hat rates this important (CVSS 9.1).
Weakness: CWE-338. Affected package(s): migration-toolkit-virtualization/mtv-console-plugin-rhel9:1779139872, quay/quay-rhel8:1775169155, quay/quay-rhel8:1775253092, quay/quay-rhel9:1779204086, migration-toolkit-virtualization/mtv-console-plugin-rhel9:1778927462, quay/quay-rhel8:1775169219.
Resolved in Red Hat advisory RHSA-2026:6926 — update the affected packages (`sudo dnf update`).
Affected products named by the advisory: Red Hat Quay 3.10; Red Hat Quay 3.12; Red Hat Quay 3.15; Red Hat Quay 3.16; and 1 more.
- migration-toolkit-virtualization/mtv-console-plugin-rhel9:1779139872
- quay/quay-rhel8:1775169155
- quay/quay-rhel8:1775253092
- quay/quay-rhel9:1779204086
- migration-toolkit-virtualization/mtv-console-plugin-rhel9:1778927462
- quay/quay-rhel8:1775169219
- quay/quay-rhel8:1775169218
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- RHSA-2026:6926
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:6926 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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