Ubuntu Security Notices guidance
Vendor revision: Sep 10, 2026USN-8571-1 fixed vulnerabilities in Apache HTTP Server.
Vulnerability intelligence
CVE-2026-48913 and is rated High severity with a CVSS score of 7.3. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
USN-8571-1 fixed vulnerabilities in Apache HTTP Server.
Use After Free vulnerability in Apache HTTP Server module mod_http2 when file handles are already exhausted.
This issue affects Apache HTTP Server: from 2.4.55 through 2.4.67.
Source: NVD