CVE-2026-44186
Received Received - Intake
Infinite Loop in Apache HTTP Server mod_proxy_ftp Module

Publication date: 2026-06-08

Last updated on: 2026-06-08

Assigner: Apache Software Foundation

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.
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Meta Information
Published
2026-06-08
Last Modified
2026-06-08
Generated
2026-06-09
AI Q&A
2026-06-08
EPSS Evaluated
N/A
NVD
CVE-2026-44186
EUVD
EUVD-2026-35088
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
apache http_server From 2.4.0 (inc) to 2.4.67 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-835 The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.
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Executive Summary

This vulnerability is an Infinite Loop issue in the mod_proxy_ftp module of the Apache HTTP Server. It occurs when the server interacts with an attacker-controlled backend FTP server, causing the mod_proxy_ftp module to enter a loop with an unreachable exit condition.

Impact Analysis

The impact of this vulnerability is that the Apache HTTP Server could become stuck in an infinite loop when processing FTP proxy requests to a malicious backend FTP server. This could lead to resource exhaustion, denial of service, or degraded server performance.

Mitigation Strategies

Users are recommended to upgrade Apache HTTP Server to version 2.4.68, which fixes the issue.

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