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Message-ID: <add16f56-fbe5-ae8b-ff0a-d025ec279b7c@apache.org>
Date: Mon, 04 May 2026 14:15:58 +0000
From: Eric Covener <covener@...che.org>
To: oss-security@...ts.openwall.com
Subject: CVE-2026-33006: Apache HTTP Server: mod_auth_digest timing attack 

Severity: moderate 

Affected versions:

- Apache HTTP Server through 2.4.66

Description:

A timing attack against mod_auth_digest in Apache HTTP Server 2.4.66 allows a bypass of Digest authentication by a remote attacker.

Users are recommended to upgrade to version 2.4.67, which fixes this issue.

Credit:

Nitescu Lucian (finder)

References:

https://httpd.apache.org/security/vulnerabilities_24.html
https://httpd.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-33006

Timeline:

2026-03-09: Report received
2026-05-04: 2.4.67 released
2026-05-04: fixed in 2.4.x by r1933356

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