Improper input validation in Apache Http_server
CVE-2024-42516
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 describe…
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.007 (47.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Apache Http_server
- Apache Software Foundation Http Server — versions 2.4.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@apache.org (vendor-advisory, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2024-42516?
- CVE-2024-42516 is a high-severity vulnerability in Apache Http_server, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2025-07-10.
- How severe is CVE-2024-42516?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2024-42516 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.