High7.5Red Hat & Ubuntu Linux

Denial of Service via excessive memory allocation in LZ4FrameDecoder

CVE-2026-42583 Published May 13, 2026

CVE-2026-42583

Affected products & platforms

Red Hat & Ubuntu LinuxUnclassified

Summary

Denial of Service via excessive memory allocation in LZ4FrameDecoder. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Resolved in Red Hat advisory RHSA-2026:34608 — update the affected packages (`sudo dnf update`).

Fixed versions

RHSA-2026:34608

Official advisory · high-confidence parse· fetched 6 hours ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Update the affected package(s) to the fixed version shipped in RHSA-2026:34608 (`sudo dnf update` / `yum update`).

Official advisory · high-confidence parse· fetched 6 hours ago·verify at source

Discussion(0)

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