httpd: mod_authn_socache: NULL pointer dereference can cause a child process crash

A flaw was found in the modauthnsocache module of httpd. This vulnerability allows an unauthenticated remote user to crash a child process due to a NULL pointer dereference when the server is operating in a caching forward proxy configuration...

CVE-2026-33007

A flaw was found in the modauthnsocache module of httpd. This vulnerability allows an unauthenticated remote user to crash a child process due to a NULL pointer dereference when the server is operating in a caching forward proxy configuration. Mitigation Disabling modauthnsocache and restarting...

BIT-APACHE-2026-33007 Apache HTTP Server: mod_authn_socache crash

A NULL pointer dereference in the modauthnsocache 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...

SUSE CVE-2026-33007

A NULL pointer dereference in the modauthnsocache 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...

DEBIAN-CVE-2026-33007

A NULL pointer dereference in the modauthnsocache 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...

CVE-2026-33007

A NULL pointer dereference in the modauthnsocache 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...

CVE-2026-33007

CVE-2026-33007 affects the Apache HTTP Server mod_authn_socache, where a NULL pointer dereference in 2.4.66 and earlier allows an unauthenticated remote user to crash a child process within a caching forward proxy configuration. The issue is resolved by upgrading to version 2.4.67. Unclear if in-...

CVE-2026-33007

A NULL pointer dereference in the modauthnsocache 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...

EUVD-2013-4236

The cacheinvalidate function in modules/cache/cachestorage.c in the modcache module in the Apache HTTP Server 2.4.6, when a caching forward proxy is enabled, allows remote HTTP servers to cause a denial of service NULL pointer dereference and daemon crash via vectors that trigger a missing hostna...

CVE-2020-11767

Istio through 1.5.1 and Envoy through 1.14.1 have a data-leak issue. If there is a TCP connection negotiated with SNI over HTTPS to .example.com, a request for a domain concurrently configured explicitly e.g., abc.example.com is sent to the servers listening behind .example.com. The outcome shoul...

CVE-2020-11767

Istio up to 1.5.1 and Envoy up to 1.14.1 are affected by a data-leak vulnerability where a TCP connection negotiated with SNI over HTTPS to *.example.com can cause a domain-specific request (e.g., abc.example.com) to be sent via a connection reused by a forward proxy to the *.example.com host. Th...