CVE-2026-42536

PoC —5· 3 reads

CVSS 3.1

7.5 high

EPSS

1%p62

Published

Jun 8, 2026 (Jun 8, 2026)

Modified

Sep 14, 2026

Description

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.

Vendors: apache
Products: http server
Weakness: CWE-122, CWE-120
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (1.0%)

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