CVE-2023-38709
httpd: HTTP response splitting
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · April 4, 2024
Updated · September 21, 2026
Description
A flaw was found in httpd. The response headers are not sanitized before an HTTP response is sent when a malicious backend can insert a Content-Type, Content-Encoding, or some other headers, resulting in an HTTP response splitting.
Statement
This flaw is only exploitable by a malicious backend or a malicious application, but may also affect forward proxy configurations.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 6.8CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N
CWE-444 · Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')