Medium severity5.3NVD Advisory· Published May 4, 2026· Updated May 4, 2026

CVE-2026-33007

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.

Affected products

Apache/Httpdinferred
Range: <=2.4.66
Apache/Http Server
cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
Range: >=2.4.0,<2.4.67

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

www.openwall.com/lists/oss-security/2026/05/04/22nvdMailing ListThird Party Advisory
httpd.apache.org/security/vulnerabilities_24.htmlnvdVendor Advisory

News mentions

Patch Tuesday - May 2026
Rapid7 Blog · May 13, 2026

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