CVE-2024-38477
httpd: NULL pointer dereference in mod_proxy
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 1, 2024
Updated · September 21, 2026
Description
A flaw was found in the mod_proxy module of httpd. A NULL pointer dereference can be triggered when processing a specially crafted HTTP request, causing the httpd server to crash, and resulting in a denial of service.
Statement
As this flaw allows a remote attacker to cause a denial of service, it has been rated with an important severity.
This flaw only affects configurations with mod_proxy loaded and being used. This module can be disabled via the configuration file if its functionality is not being used.
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
Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.
CVSS / CWE
CVSS 3.1 · 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-476 · NULL Pointer Dereference