Security Advisory

CVE-2026-28780

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-05 21:29:41

Last updated 2026-07-15 01:11:34

Assigner apache

CVSS score not scored

State PUBLISHED

Description

Heap-based Buffer Overflow vulnerability in mod_proxy_ajp of Apache HTTP Server. If mod_proxy_ajp connects to a malicious AJP server this AJP server can send a malicious AJP message back to mod_proxy_ajp and cause it to write 4 attacker controlled bytes after the end of a heap based buffer. This issue affects Apache HTTP Server: through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.

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