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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.

PUBLISHED Reserved 2026-05-05 | Published 2026-06-08 | Updated 2026-06-09 | Assigner apache

Problem types

CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')

Product status

Default status
unaffected

2.4.0 (semver)
affected

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 finder

References

www.openwall.com/lists/oss-security/2026/06/08/13

httpd.apache.org/security/vulnerabilities_24.html vendor-advisory

cve.org (CVE-2026-44186)

nvd.nist.gov (CVE-2026-44186)

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