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.
References (4)
Core 4
Core References
Vendor Advisory vendor-advisory
https://httpd.apache.org/security/vulnerabilities_24.html
Scores
CVSS v3
7.5
EPSS
0.0092
EPSS Percentile
76.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-20
Status
published
Products (1)
apache/http_server
2.4.0 - 2.4.64
Published
Jul 10, 2025
Tracked Since
Feb 18, 2026