High7.5Red Hat & Ubuntu Linux
Certificate validation bypass via improper handling of PKCS7 objects
CVE-2026-3336 Published Mar 2, 2026
CVE-2026-3336
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Certificate validation bypass via improper handling of PKCS7 objects. Red Hat rates this important (CVSS 7.5). Weakness: CWE-295. Affected package(s): rhtas/tuffer-rhel9:1773307309, rhtas/tuftool-rhel9:1773307309. Resolved in Red Hat advisory RHSA-2026:5459 — update the affected packages (`sudo dnf update`).
Affected versions
- rhtas/tuffer-rhel9:1773307309
- rhtas/tuftool-rhel9:1773307309
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Fixed versions
- RHSA-2026:5459
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-2026:5459 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
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