Medium6.5Red Hat & Ubuntu Linux

Denial of Service via malformed ISO file processing

CVE-2026-4426 Published Mar 19, 2026

CVE-2026-4426

Affected products & platforms

Red Hat & Ubuntu LinuxUnclassified

Summary

Denial of Service via malformed ISO file processing. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-1335. Affected package(s): libarchive-main. Resolved in Red Hat advisory RHSA-2026:8944 — update the affected packages (`sudo dnf update`).

Affected versions

libarchive-main-3.8.7-1.hum1

Official advisory · high-confidence parse· fetched 1 day ago·verify at source

Fixed versions

RHSA-2026:8944

Official advisory · high-confidence parse· fetched 1 day ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Update the affected package(s) to the fixed version shipped in RHSA-2026:8944 (`sudo dnf update` / `yum update`).

Official advisory · high-confidence parse· fetched 1 day ago·verify at source

Discussion(0)

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