Vulnerability DatabaseCVE-2026-119618
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CVE-2026-119618
Published:November 11, 2026
Updated:November 12, 2026
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.
Affected Packages
https://github.com/apache/httpd.git (GITHUB):
Affected version(s) >=2.4.55 <2.4.71
Fix Suggestion:
Update to version 2.4.71
Related Resources (8)
https://ubuntu.com/security/CVE-2026-119618
https://httpd.apache.org/security/vulnerabilities_24.html
http://www.openwall.com/lists/oss-security/2026/11/11/13
https://bugs.gentoo.org/986161
https://github.com/microsoft/azurelinux/pull/20165
https://github.com/AlmaLinux/updates/issues/4252
https://access.redhat.com/security/cve/cve-2026-119618
https://www.wiz.io/blog/cve-2026-119618-rce-apache-http-server-vulnerability
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CVSS v4
Base Score:
9.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
9.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Concurrent Execution using Shared Resource with Improper Synchronization
CWE-362
EPSS
Base Score:
0.40