Description
A NULL pointer dereference in the mod_authn_socache in Apache HTTP Server 2.4.66 and earlier allows an unauthenticated remote user to crash a child process in a caching forward proxy configuration. Users are recommended to upgrade to version 2.4.67, which fixes this issue.
References (2)
Core 2
Core References
Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2026/05/04/22
Vendor Advisory vendor-advisory
https://httpd.apache.org/security/vulnerabilities_24.html
Scores
CVSS v3
5.3
EPSS
0.0058
EPSS Percentile
69.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-476
Status
published
Products (2)
apache/http_server
2.4.0 - 2.4.67
Apache Software Foundation/Apache HTTP Server
2.4.0 - 2.4.66
Published
May 04, 2026
Tracked Since
May 04, 2026