Description
Loop with Unreachable Exit Condition ('Infinite Loop') vulnerability in the mod_proxy_ftp module in Apache HTTP Server with an attacker controlled backend FTP server. This issue affects undefined: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue.
Problem types
CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')
Product status
2.4.0 (semver)
Timeline
| 2026-04-27: | reported |
| 2026-06-05: | fixed in 2.4.x by r1935004 |
| 2026-06-08: | 2.4.68 released |
Credits
Zhenpeng (Leo) Lin at depthfirst
References
www.openwall.com/lists/oss-security/2026/06/08/13
httpd.apache.org/security/vulnerabilities_24.html