Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
VOLERION
Volerion Security Research

NOT DEFERRED DATABASE

VULNERABILITIES

CVE-2026-42536 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: redhat-SADPCVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://access.redhat.com/errata/RHSA-2026:25042 redhat-SADP
https://access.redhat.com/errata/RHSA-2026:34109 redhat-SADP
https://access.redhat.com/errata/RHSA-2026:41906 redhat-SADP
https://access.redhat.com/errata/RHSA-2026:42828 redhat-SADP
https://access.redhat.com/errata/RHSA-2026:47046 redhat-SADP

see all 16 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')redhat-SADP
CWE-122Heap-based Buffer Overflow[email protected]

Affected Products

ProductVersions
apache http server
>= 2.4.0, < 2.4.68

CPE

  • cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

22 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-42536
NVD Published Date:
Jun 8, 2026
NVD Last Modified:
Sep 14, 2026
Source:
[email protected]
CVE-2026-42536 Details - Not Deferred