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.

Database specific

{
    "cna_assigner": "apache",
    "cwe_ids": [
        "CWE-476"
    ],
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "2.4.0"
                },
                {
                    "last_affected": "2.4.66"
                }
            ],
            "source": "AFFECTED_FIELD"
        }
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33007.json"
}

References

Affected packages

Git / github.com/apache/httpd

Affected ranges

Type

GIT

Repo

https://github.com/apache/httpd

Events

Introduced

da5873e80d6eee7a0838793bf68f1d0254745fbb

Fixed

1284d059e417308158be7594be7b14d321a2ac61

Database specific

{
    "extracted_events": [
        {
            "introduced": "2.4.0"
        },
        {
            "fixed": "2.4.67"
        }
    ],
    "source": "CPE_FIELD",
    "cpe": "cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*"
}

Database specific

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-33007.json"