{"id":"USN-6885-1","summary":"apache2 vulnerabilities","details":"Marc 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)\n","modified":"2026-02-10T04:44:21Z","published":"2024-07-08T17:56:11Z","related":["UBUNTU-CVE-2024-36387","UBUNTU-CVE-2024-38473","UBUNTU-CVE-2024-38474","UBUNTU-CVE-2024-38475","UBUNTU-CVE-2024-38476","UBUNTU-CVE-2024-38477","UBUNTU-CVE-2024-39573","UBUNTU-CVE-2024-39884"],"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","UBUNTU-CVE-2024-36387","UBUNTU-CVE-2024-38473","UBUNTU-CVE-2024-38474","UBUNTU-CVE-2024-38475","UBUNTU-CVE-2024-38476","UBUNTU-CVE-2024-38477","UBUNTU-CVE-2024-39573","UBUNTU-CVE-2024-39884"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6885-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-36387"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-38473"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-38474"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-38475"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-38476"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-38477"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-39573"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-39884"}],"affected":[{"package":{"name":"apache2","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/apache2@2.4.41-4ubuntu3.19?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.41-4ubuntu3.19"}]}],"versions":["2.4.41-1ubuntu1","2.4.41-4ubuntu1","2.4.41-4ubuntu2","2.4.41-4ubuntu3","2.4.41-4ubuntu3.1","2.4.41-4ubuntu3.3","2.4.41-4ubuntu3.4","2.4.41-4ubuntu3.5","2.4.41-4ubuntu3.6","2.4.41-4ubuntu3.7","2.4.41-4ubuntu3.8","2.4.41-4ubuntu3.9","2.4.41-4ubuntu3.10","2.4.41-4ubuntu3.11","2.4.41-4ubuntu3.12","2.4.41-4ubuntu3.13","2.4.41-4ubuntu3.14","2.4.41-4ubuntu3.15","2.4.41-4ubuntu3.16","2.4.41-4ubuntu3.17"],"ecosystem_specific":{"availability":"No 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