CVE-2026-34059: Apache HTTP Server: mod_proxy_ajp: Heap Over-Read and memory disclosure in ajp_parse_data()

[email protected] (Unknown) Mon, 04 May 2026 11:51:57 +0000
Newsgroups gmane.comp.apache.user,gmane.comp.apache.maven.announce
Message-ID <[email protected]>
From: Eric Covener <[email protected]>
Reply-To: <[email protected]>

Severity: low 

Affected versions:

- Apache HTTP Server through 2.4.66

Description:

Buffer Over-read vulnerability in Apache HTTP Server.

This issue affects Apache HTTP Server: through 2.4.66.

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

Credit:

Elhanan Haenel (finder)

References:

https://httpd.apache.org/security/vulnerabilities_24.html
https://httpd.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-34059

Timeline:

2026-03-20: Report received
2026-05-04: fixed in 2.4.x by r1933346