CVE-2024-42516
HIGHCVSS v3
7.5
HIGH
EPSS Score
0.9%
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical Details
- CVSS v3 Vector
- 3.1
- Published
- 7/10/2025
- Last Modified
- 11/4/2025
Frequently Asked Questions
What is 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 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.
Is CVE-2024-42516 actively exploited?
Active exploitation of CVE-2024-42516 has not been confirmed. The EPSS score is 0.9%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2024-42516?
CVE-2024-42516 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string 3.1.
Is CVE-2024-42516 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.