CVE-2026-119618

HighCVSS 8.1/10Last modified Nov 14, 2026

Description

Concurrent Execution using Shared Resource with Improper Synchronization vulnerability in Apache HTTP Server's mod_http2 in assign_headers() can lead to RCE.

This issue affects Apache HTTP Server: from 2.4.55 through 2.4.70. Affected releases of mod_h2 from GitHub: from 2.0.8 through 2.0.42.

Metrics

CVSS 3.1 8.1/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-362

Affected software

Vendor	Product	Versions
Apache Software Foundation	Apache HTTP Server	>= 2.4.55, <= 2.4.70

References

https://httpd.apache.org/security/vulnerabilities_24.htmlPatch, Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/11/11/13Mailing List, Third Party Advisory
https://access.redhat.com/security/cve/cve-2026-119618Third Party Advisory
https://bugs.gentoo.org/986161Issue Tracking, Third Party Advisory
https://github.com/AlmaLinux/updates/issues/4252Issue Tracking
https://github.com/microsoft/azurelinux/pull/20165Patch
https://ubuntu.com/security/CVE-2026-119618Third Party Advisory
https://www.wiz.io/blog/cve-2026-119618-rce-apache-http-server-vulnerabilityMitigation, Third Party Advisory

Timeline

Published: Nov 11, 2026
Last modified: Nov 14, 2026
NVD status: Analyzed

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