{"id":"UBUNTU-CVE-2026-44186","details":"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.","modified":"2026-07-21T13:15:38.351697995Z","published":"2026-06-08T16:16:00Z","related":["USN-8516-1","USN-8571-1"],"upstream":["CVE-2026-44186"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-44186"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-44186"},{"type":"REPORT","url":"https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2026-44186"},{"type":"REPORT","url":"https://httpd.apache.org/security/vulnerabilities_24.html"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2026/06/08/13"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8516-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8571-1"}],"affected":[{"package":{"name":"apache2","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/apache2?arch=source&distro=esm-infra-legacy%2Ftrusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.7-1ubuntu4.22+esm14"}]}],"versions":["2.4.6-2ubuntu2","2.4.6-2ubuntu3","2.4.6-2ubuntu4","2.4.7-1ubuntu1","2.4.7-1ubuntu2","2.4.7-1ubuntu3","2.4.7-1ubuntu4","2.4.7-1ubuntu4.1","2.4.7-1ubuntu4.4","2.4.7-1ubuntu4.5","2.4.7-1ubuntu4.6","2.4.7-1ubuntu4.7","2.4.7-1ubuntu4.8","2.4.7-1ubuntu4.9","2.4.7-1ubuntu4.10","2.4.7-1ubuntu4.11","2.4.7-1ubuntu4.13","2.4.7-1ubuntu4.15","2.4.7-1ubuntu4.16","2.4.7-1ubuntu4.17","2.4.7-1ubuntu4.18","2.4.7-1ubuntu4.19","2.4.7-1ubuntu4.20","2.4.7-1ubuntu4.21","2.4.7-1ubuntu4.22","2.4.7-1ubuntu4.22+esm1","2.4.7-1ubuntu4.22+esm2","2.4.7-1ubuntu4.22+esm3","2.4.7-1ubuntu4.22+esm4","2.4.7-1ubuntu4.22+esm5","2.4.7-1ubuntu4.22+esm6","2.4.7-1ubuntu4.22+esm8","2.4.7-1ubuntu4.22+esm9","2.4.7-1ubuntu4.22+esm10","2.4.7-1ubuntu4.22+esm12","2.4.7-1ubuntu4.22+esm13"],"ecosystem_specific":{"binaries":[{"binary_version":"2.4.7-1ubuntu4.22+esm14","binary_name":"apache2"},{"binary_version":"2.4.7-1ubuntu4.22+esm14","binary_name":"apache2-bin"},{"binary_name":"apache2-data","binary_version":"2.4.7-1ubuntu4.22+esm14"},{"binary_name":"apache2-mpm-event","binary_version":"2.4.7-1ubuntu4.22+esm14"},{"binary_version":"2.4.7-1ubuntu4.22+esm14","binary_name":"apache2-mpm-itk"},{"binary_version":"2.4.7-1ubuntu4.22+esm14","binary_name":"apache2-mpm-prefork"},{"binary_version":"2.4.7-1ubuntu4.22+esm14","binary_name":"apache2-mpm-worker"},{"binary_version":"2.4.7-1ubuntu4.22+esm14","binary_name":"apache2-suexec"},{"binary_name":"apache2-suexec-custom","binary_version":"2.4.7-1ubuntu4.22+esm14"},{"binary_name":"apache2-suexec-pristine","binary_version":"2.4.7-1ubuntu4.22+esm14"},{"binary_name":"apache2-utils","binary_version":"2.4.7-1ubuntu4.22+esm14"},{"binary_name":"apache2.2-bin","binary_version":"2.4.7-1ubuntu4.22+esm14"},{"binary_name":"libapache2-mod-macro","binary_version":"1:2.4.7-1ubuntu4.22+esm14"},{"binary_name":"libapache2-mod-proxy-html","binary_version":"1:2.4.7-1ubuntu4.22+esm14"}],"availability":"Available 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https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-44186.json"}},{"package":{"name":"apache2","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/apache2?arch=source&distro=esm-infra-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.18-2ubuntu3.17+esm19"}]}],"versions":["2.4.12-2ubuntu2","2.4.17-1ubuntu1","2.4.17-2ubuntu1","2.4.17-3ubuntu1","2.4.18-1ubuntu1","2.4.18-2ubuntu1","2.4.18-2ubuntu2","2.4.18-2ubuntu3","2.4.18-2ubuntu3.1","2.4.18-2ubuntu3.2","2.4.18-2ubuntu3.3","2.4.18-2ubuntu3.4","2.4.18-2ubuntu3.5","2.4.18-2ubuntu3.7","2.4.18-2ubuntu3.8","2.4.18-2ubuntu3.9","2.4.18-2ubuntu3.10","2.4.18-2ubuntu3.12","2.4.18-2ubuntu3.13","2.4.18-2ubuntu3.14","2.4.18-2ubuntu3.15","2.4.18-2ubuntu3.17","2.4.18-2ubuntu3.17+esm1","2.4.18-2ubuntu3.17+esm2","2.4.18-2ubuntu3.17+esm3","2.4.18-2ubuntu3.17+esm4","2.4.18-2ubuntu3.17+esm5","2.4.18-2ubuntu3.17+esm6","2.4.18-2ubuntu3.17+esm7","2.4.18-2ubuntu3.17+esm8","2.4.18-2ubuntu3.17+esm9","2.4.18-2ubuntu3.17+esm10","2.4.18-2ubuntu3.17+esm11","2.4.18-2ubuntu3.17+esm12","2.4.18-2ubuntu3.17+esm13","2.4.18-2ubuntu3.17+esm14","2.4.18-2ubuntu3.17+esm16","2.4.18-2ubuntu3.17+esm17","2.4.18-2ubuntu3.17+esm18"],"ecosystem_specific":{"availability":"Available 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