CVE-2026-42536

CVE-2026-42536: Apache HTTP Server: mod_xml2enc heap overflow

Vendor Apache Software Foundation

Product Apache HTTP Server

Weakness CWE-122

Published June 8, 2026

Last update July 15, 2026

View on NVD All CVEs

CVSS base score

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What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 8, 2026 CVE published

July 15, 2026 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-42536 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/122.html AskarLabs — CWE-122 write-up Heap-based Buffer Overflow