CVE-2026-42536
High
Apache HTTP Server: mod_xml2enc heap overflow
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.
Exploit probability
1.0%
Published
June 10, 2026
Required by
Not available
Last source change
August 17, 2026
02 / AFFECTED SOFTWARE
Affected packages
04 / EVIDENCE
Source records
Open Source Vulnerabilities
BIT-apache-2026-42536
View original source
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.
05 / REFERENCES
Further evidence
- http://www.openwall.com/lists/oss-security/2026/06/08/9
- https://access.redhat.com/errata/RHSA-2026:25042
- https://access.redhat.com/errata/RHSA-2026:34109
- https://access.redhat.com/errata/RHSA-2026:41906
- https://access.redhat.com/errata/RHSA-2026:42828
- https://access.redhat.com/errata/RHSA-2026:47046
- https://access.redhat.com/errata/RHSA-2026:53371
- https://access.redhat.com/security/cve/CVE-2026-42536
- https://bugzilla.redhat.com/show_bug.cgi?id=2486411
- https://httpd.apache.org/security/vulnerabilities_24.html
- https://nvd.nist.gov/vuln/detail/CVE-2026-42536
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42536.json