CVE-2026-119618

EUVD-2026-123532
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.
Race Condition
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
UNKNOWN
---
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Debian logo
Debian Releases
Debian Product
Codename
apache2
bookworm
vulnerable
bookworm (security)
vulnerable
forky
vulnerable
sid
2.4.71-1
fixed
trixie
vulnerable
trixie (security)
vulnerable
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
mod
RHEL 9
0:2.0.26-7.el9_9.1
fixed
Common Weakness Enumeration
References
https://httpd.apache.org/security/vulnerabilities_24.html
http://www.openwall.com/lists/oss-security/2026/11/11/13