Heap-based Buffer Overflow vulnerability in Apache HTTP Server with mod_xml2enc, xml2StartParse, and untrusted content This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue.
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42536.json
https://bugzilla.redhat.com/show_bug.cgi?id=2486411
https://access.redhat.com/security/cve/CVE-2026-42536
https://access.redhat.com/errata/RHSA-2026:42828
https://access.redhat.com/errata/RHSA-2026:41906