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CVE-2026-28780
Published: May 5, 2026
Modified: May 6, 2026
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.
| Vendor | Product | Versions |
|---|---|---|
Apache Software Foundation | Apache HTTP Server | affected 0 - <= 2.4.66 |
Weaknesses (CWE)
References
https://httpd.apache.org/security/vulnerabilities_24.html
vendor-advisory
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