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Posted to announce@apache.org by Eric Covener <co...@apache.org> on 2026/05/04 11:50:24 UTC

CVE-2026-34032: Apache HTTP Server: mod_proxy_ajp: Heap Buffer Over-Read Due to Missing Null-Termination Check (ajp_msg_get_string)

Severity: low 

Affected versions:

- Apache HTTP Server through 2.4.66

Description:

Improper Null Termination, Out-of-bounds 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:

Tianshuo Han (<ha...@gmail.com>) (finder)
Jérôme Djouder (finder)

References:

https://httpd.apache.org/security/vulnerabilities_24.html
https://httpd.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-34032

Timeline:

2026-03-01: Report received
2026-05-04: fixed in 2.4.x by r1933343