Buffer Overflow Affecting httpd-core package, versions <0:2.4.63-1.el10_0.4


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.99% (59th percentile)

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  • Snyk IDSNYK-RHEL10-HTTPDCORE-18375151
  • published29 Jul 2026
  • disclosed8 Jun 2026

Introduced: 8 Jun 2026

CVE-2026-42536  (opens in a new tab)
CWE-120  (opens in a new tab)

How to fix?

Upgrade RHEL:10 httpd-core to version 0:2.4.63-1.el10_0.4 or higher.
This issue was patched in RHSA-2026:47046.

NVD Description

Note: Versions mentioned in the description apply only to the upstream httpd-core package and not the httpd-core package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1