CVE-2026-42536

HighCVSS 7.5/10Last 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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jun 8, 2026
Last modified
Sep 14, 2026
NVD status
Modified

Related CVEs from 2026

CVE-2026-425379.8Remote Code Execution via JDBC URL Injection in Apache Ranger <= 2.8.0 Users are recommended to upgrade to version 2.9.0, which fixes this iCVE-2026-425386.3IRIS is a web collaborative platform that helps incident responders share technical details during investigations. Versions prior to 2.4.28 CVE-2026-425396.5IRIS is a web collaborative platform that helps incident responders share technical details during investigations. Versions prior to 2.4.28 CVE-2026-42549.8A weakness has been identified in Tenda AC8 up to 16.03.50.11. This vulnerability affects the function doSystemCmd of the file /goform/SysToCVE-2026-425404.3IRIS is a web collaborative platform that helps incident responders share technical details during investigations. Versions prior to 2.4.28 CVE-2026-425414.3Kubewarden is a policy engine for Kubernetes. Prior to , An attacker with privileged AdmissionPolicy or AdmissionPolicyGroup create permissiCVE-2026-425427.5TDengine is an open source, time-series database optimized for Internet of Things devices. In versions 3.4.0.0 through 3.4.1.5, an unauthentCVE-2026-425434.3IRIS is a web collaborative platform that helps incident responders share technical details during investigations. Versions prior to 2.4.28 CVE-2026-425447.5Granian is a Rust HTTP server for Python applications. From 1.2.0 to 2.7.4, Granian aborts a worker process when an unauthenticated client sCVE-2026-425455.9Granian is a Rust HTTP server for Python applications. From 0.2.0 to 2.7.4, Granian aborts a worker process if a WSGI application returns anCVE-2026-425463.8OP-TEE is a Trusted Execution Environment (TEE) designed as companion to a non-secure Linux kernel running on Arm; Cortex-A cores using the CVE-2026-425475.4IRIS is a web collaborative platform that helps incident responders share technical details during investigations. In versions prior to 2.4.
CVE-2026-42536: High severity, CVSS 7.5 | Vulnix