High7.5Red Hat & Ubuntu Linux

Denial of Service via malformed HAProxy message

CVE-2026-44893 Published Jun 12, 2026

CVE-2026-44893

Affected products & platforms

Red Hat & Ubuntu LinuxUnclassified

Summary

Denial of Service via malformed HAProxy message. Red Hat rates this important (CVSS 7.5). Weakness: CWE-805. Affected package(s): netty-codec-haproxy. Resolved in Red Hat advisory RHSA-2026:26586 — update the affected packages (`sudo dnf update`).

Affected versions

netty-codec-haproxy

Official advisory · high-confidence parse· fetched 7 hours ago·verify at source

Fixed versions

RHSA-2026:26586

Official advisory · high-confidence parse· fetched 7 hours ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Update the affected package(s) to the fixed version shipped in RHSA-2026:26586 (`sudo dnf update` / `yum update`).

Official advisory · high-confidence parse· fetched 7 hours ago·verify at source

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