{"schemaVersion":3,"id":"USN-6885-4","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"apache2 regression\n\nUSN-6885-1 fixed a vulnerability in Apache. The patch\nfor CVE-2024-38474 was incomplete and caused regressions.\nThis update provides the fix for that issue.\n\nOriginal advisory details:\n\n Orange Tsai discovered that the Apache HTTP Server mod_rewrite module\n incorrectly handled certain substitutions. A remote attacker could\n possibly use this issue to execute scripts in directories not directly\n reachable by any URL, or cause a denial of service. Some environments\n may require using the new UnsafeAllow3F flag to handle unsafe\n substitutions. (CVE-2024-38474)","dates":{"published":"2025-04-07T08:46:27.000Z","modified":"2026-06-25T13:32:28.729Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"ubuntu","product":"apache2","name":"apache2","label":"apache2","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/apache2","purlType":"deb","versions":[{"text":"< 2.4.18-2ubuntu3.17+esm14","noFixRecorded":false,"fixedIn":null},{"text":"< 2.4.29-1ubuntu4.27+esm4","noFixRecorded":false,"fixedIn":null},{"text":"< 2.4.41-4ubuntu3.23","noFixRecorded":false,"fixedIn":null},{"text":"< 2.4.52-1ubuntu4.14","noFixRecorded":false,"fixedIn":null},{"text":"< 2.4.58-1ubuntu8.6","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.4.18-2ubuntu3.17+esm14 | < 2.4.29-1ubuntu4.27+esm4 | < 2.4.41-4ubuntu3.23 | < 2.4.52-1ubuntu4.14 | < 2.4.58-1ubuntu8.6","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-6885-4","label":"ubuntu.com/security/notices/USN-6885-4","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://launchpad.net/bugs/2103723","label":"launchpad.net/bugs/2103723","hostname":"launchpad.net","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":["CVE-2024-38474"]},"timeline":[{"kind":"published","date":"2025-04-07T08:46:27.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-25T13:32:28.729Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T10:18:02.528Z","stale":false,"partial":false}}