CVE-2024-42516

CVE-2024-42516: Apache HTTP Server: HTTP response splitting

Vendor Apache Software Foundation
Product Apache HTTP Server
Weakness CWE-20 · Input validation
Published July 10, 2025
Last update November 4, 2025

CVSS base score

What the vulnerability does

Description

HTTP response splitting in the core of Apache HTTP Server allows an attacker who can manipulate the Content-Type response headers of applications hosted or proxied by the server can split the HTTP response. This vulnerability was described as CVE-2023-38709 but the patch included in Apache HTTP Server 2.4.59 did not address the issue. Users are recommended to upgrade to version 2.4.64, which fixes this issue.

Key dates

Disclosure timeline

July 10, 2025 CVE published
November 4, 2025 Record updated