CVE-2026-119618

Name	CVE-2026-119618
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.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-6620-1
Debian Bugs	1153732

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
apache2 (PTS)	bookworm	2.4.68-1~deb12u1	vulnerable
	bookworm (security)	2.4.71-1~deb12u1	vulnerable
	trixie	2.4.68-1~deb13u1	vulnerable
	trixie (security)	2.4.71-1~deb13u1	fixed
	forky	2.4.69-1	vulnerable
	sid	2.4.71-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
apache2	source	trixie	2.4.71-1~deb13u1		DSA-6620-1
apache2	source	(unstable)	2.4.71-1			1153732

Notes

https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2026-119618
Fixed by: https://github.com/apache/httpd/commit/824beab9b9424d6cfb29595248fdbf6c3dddeab1 (2.4.71)