{"id":"USN-6885-6","summary":"apache2 regression","details":"USN-6885-1 fixed vulnerabilities in Apache. The patch for\nCVE-2024-38474 was incomplete and caused a regression.\nThis update provides the fix for this issue.\n\nOriginal advisory details:\n\n Orange Tsai discovered that the Apache HTTP Server mod_rewrite\n module incorrectly handled certain substitutions. A remote attacker\n could possibly use this issue to execute scripts in directories\n not directly reachable by any URL, or cause a denial of service.\n Some environments may require using the new UnsafeAllow3F flag\n to handle unsafe substitutions. (CVE-2024-38474)\n \n","modified":"2026-04-22T11:21:26.677213Z","published":"2025-08-13T14:57:23Z","related":["UBUNTU-CVE-2024-38474"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6885-6"},{"type":"REPORT","url":"https://launchpad.net/bugs/2119395"}],"affected":[{"package":{"name":"apache2","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/apache2@2.4.52-1ubuntu4.16?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.52-1ubuntu4.16"}]}],"versions":["2.4.48-3.1ubuntu3","2.4.48-3.1ubuntu4","2.4.51-2ubuntu1","2.4.52-1ubuntu1","2.4.52-1ubuntu2","2.4.52-1ubuntu4","2.4.52-1ubuntu4.1","2.4.52-1ubuntu4.2","2.4.52-1ubuntu4.3","2.4.52-1ubuntu4.4","2.4.52-1ubuntu4.5","2.4.52-1ubuntu4.6","2.4.52-1ubuntu4.7","2.4.52-1ubuntu4.8","2.4.52-1ubuntu4.9","2.4.52-1ubuntu4.10","2.4.52-1ubuntu4.11","2.4.52-1ubuntu4.12","2.4.52-1ubuntu4.13","2.4.52-1ubuntu4.14","2.4.52-1ubuntu4.15"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2.4.52-1ubuntu4.16","binary_name":"apache2"},{"binary_version":"2.4.52-1ubuntu4.16","binary_name":"apache2-bin"},{"binary_version":"2.4.52-1ubuntu4.16","binary_name":"apache2-data"},{"binary_version":"2.4.52-1ubuntu4.16","binary_name":"apache2-suexec-custom"},{"binary_version":"2.4.52-1ubuntu4.16","binary_name":"apache2-suexec-pristine"},{"binary_version":"2.4.52-1ubuntu4.16","binary_name":"apache2-utils"},{"binary_version":"2.4.52-1ubuntu4.16","binary_name":"libapache2-mod-md"},{"binary_version":"2.4.52-1ubuntu4.16","binary_name":"libapache2-mod-proxy-uwsgi"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6885-6.json"}},{"package":{"name":"apache2","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/apache2@2.4.58-1ubuntu8.8?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.58-1ubuntu8.8"}]}],"versions":["2.4.57-2ubuntu2","2.4.57-2ubuntu3","2.4.58-1ubuntu1","2.4.58-1ubuntu2","2.4.58-1ubuntu6","2.4.58-1ubuntu7","2.4.58-1ubuntu8","2.4.58-1ubuntu8.1","2.4.58-1ubuntu8.2","2.4.58-1ubuntu8.3","2.4.58-1ubuntu8.4","2.4.58-1ubuntu8.5","2.4.58-1ubuntu8.6","2.4.58-1ubuntu8.7"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2.4.58-1ubuntu8.8","binary_name":"apache2"},{"binary_version":"2.4.58-1ubuntu8.8","binary_name":"apache2-bin"},{"binary_version":"2.4.58-1ubuntu8.8","binary_name":"apache2-data"},{"binary_version":"2.4.58-1ubuntu8.8","binary_name":"apache2-suexec-custom"},{"binary_version":"2.4.58-1ubuntu8.8","binary_name":"apache2-suexec-pristine"},{"binary_version":"2.4.58-1ubuntu8.8","binary_name":"apache2-utils"},{"binary_version":"2.4.58-1ubuntu8.8","binary_name":"libapache2-mod-md"},{"binary_version":"2.4.58-1ubuntu8.8","binary_name":"libapache2-mod-proxy-uwsgi"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:24.04:LTS","cves":[]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6885-6.json"}}],"schema_version":"1.7.5"}