{"schemaVersion":3,"id":"USN-6885-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"apache2 vulnerabilities\n\nMarc Stern discovered that the Apache HTTP Server incorrectly handled\nserving WebSocket protocol upgrades over HTTP/2 connections. A remote\nattacker could possibly use this issue to cause the server to crash,\nresulting in a denial of service. (CVE-2024-36387)\n\nOrange Tsai discovered that the Apache HTTP Server mod_proxy module\nincorrectly sent certain request URLs with incorrect encodings to backends.\nA remote attacker could possibly use this issue to bypass authentication.\n(CVE-2024-38473)\n\nOrange Tsai discovered that the Apache HTTP Server mod_rewrite module\nincorrectly handled certain substitutions. A remote attacker could possibly\nuse this issue to execute scripts in directories not directly reachable\nby any URL, or cause a denial of service. Some environments may require\nusing the new UnsafeAllow3F flag to handle unsafe substitutions.\n(CVE-2024-38474, CVE-2024-38475, CVE-2024-39573)\n\nOrange Tsai discovered that the Apache HTTP Server incorrectly handled\ncertain response headers. A remote attacker could possibly use this issue\nto obtain sensitive information, execute local scripts, or perform SSRF\nattacks. (CVE-2024-38476)\n\nOrange Tsai discovered that the Apache HTTP Server mod_proxy module\nincorrectly handled certain requests. A remote attacker could possibly use\nthis issue to cause the server to crash, resulting in a denial of service.\n(CVE-2024-38477)\n\nIt was discovered that the Apache HTTP Server incorrectly handled certain\nhandlers configured via AddType. A remote attacker could possibly use this\nissue to obtain source code. (CVE-2024-39884)","dates":{"published":"2024-07-08T17:56:11.000Z","modified":"2026-04-27T17:32:37.875Z","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":"< 2.4.41-4ubuntu3.19","noFixRecorded":false,"fixedIn":null},{"text":"< 2.4.52-1ubuntu4.10","noFixRecorded":false,"fixedIn":null},{"text":"< 2.4.58-1ubuntu8.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.4.41-4ubuntu3.19 | < 2.4.52-1ubuntu4.10 | < 2.4.58-1ubuntu8.2","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-6885-1","label":"ubuntu.com/security/notices/USN-6885-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2024-36387","label":"ubuntu.com/security/CVE-2024-36387","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-38473","label":"ubuntu.com/security/CVE-2024-38473","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-38474","label":"ubuntu.com/security/CVE-2024-38474","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-38475","label":"ubuntu.com/security/CVE-2024-38475","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-38476","label":"ubuntu.com/security/CVE-2024-38476","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-38477","label":"ubuntu.com/security/CVE-2024-38477","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-39573","label":"ubuntu.com/security/CVE-2024-39573","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2024-39884","label":"ubuntu.com/security/CVE-2024-39884","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2024-36387","CVE-2024-38473","CVE-2024-38474","CVE-2024-38475","CVE-2024-38476","CVE-2024-38477","CVE-2024-39573","CVE-2024-39884"],"downstream":[],"duplicates":[],"related":["CVE-2024-36387","CVE-2024-38473","CVE-2024-38474","CVE-2024-38475","CVE-2024-38476","CVE-2024-38477","CVE-2024-39573","CVE-2024-39884"]},"timeline":[{"kind":"published","date":"2024-07-08T17:56:11.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-27T17:32:37.875Z","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":"2026-10-19T05:47:05.162Z","stale":false,"partial":false}}