High7.3Vendor: MediumRed Hat Linux

High [CVE-2026-48913] Apache HTTP Server mod_http2: Use After Free vulnerability allows arbitrary code execution or denial of service.

This high-severity Red Hat Linux advisory covers CVE-2026-48913 affecting Red Hat Enterprise Linux 1, mod_http2.

CVE-2026-48913 Published Jun 8, 2026

CVE-2026-48913

Affected products & platforms

Red Hat LinuxUnclassified

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Summary

Apache HTTP Server mod_http2: Use After Free vulnerability allows arbitrary code execution or denial of service.. Red Hat rates this moderate (CVSS 7.3).

Weakness: CWE-825. Affected package(s): mod_http2.

Resolved in Red Hat advisory RHSA-2026:34355 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat Enterprise Linux 1.

Affected versions

mod_http2-0:2.0.29-4.el10_2.2

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

RHSA-2026:34355

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Update the affected package(s) to the fixed version shipped in RHSA-2026:34355 (`sudo dnf update` / `yum update`).

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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