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CVE-2026-42536 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceCVE-2026-42536

CVE-2026-42536

HIGH7.5

Apache HTTP Server: mod_xml2enc heap overflow

Published Jun 8, 2026

Modified 2 weeks ago

Details

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.

References

http://www.openwall.com/lists/oss-security/2026/06/08/9

https://httpd.apache.org/security/vulnerabilities_24.html

https://www.cve.org/CVERecord?id=CVE-2026-42536

CVSS Analysis

CVSS v3.1

7.5

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

7.5/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

Other

Ecosystems

Timeline

PublishedJun 8, 2026

ModifiedJun 8, 2026