7.5

CVE-2026-42536

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Apache ≫ HTTP Server Version >= 2.4.0 < 2.4.68
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.71% 0.49
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
134c704f-9b21-4f2e-91b3-4a467353bcc0 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0b0ca135-0b70-47e7-9f44-1890c2a1c46c 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

CWE-122 Heap-based Buffer Overflow

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

https://httpd.apache.org/security/vulnerabilities_24.html
Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/06/08/9
Third Party Advisory
Mailing List
https://access.redhat.com/security/cve/CVE-2026-42536
https://bugzilla.redhat.com/show_bug.cgi?id=2486411
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42536.json
https://access.redhat.com/errata/RHSA-2026:34109