{"schemaVersion":3,"id":"USN-2523-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"apache2 vulnerabilities\n\nMartin Holst Swende discovered that the mod_headers module allowed HTTP\ntrailers to replace HTTP headers during request processing. A remote\nattacker could possibly use this issue to bypass RequestHeaders directives.\n(CVE-2013-5704)\n\nMark Montague discovered that the mod_cache module incorrectly handled\nempty HTTP Content-Type headers. A remote attacker could use this issue to\ncause the server to stop responding, leading to a denial of service. This\nissue only affected Ubuntu 14.04 LTS and Ubuntu 14.10. (CVE-2014-3581)\n\nTeguh P. Alko discovered that the mod_proxy_fcgi module incorrectly\nhandled long response headers. A remote attacker could use this issue to\ncause the server to stop responding, leading to a denial of service. This\nissue only affected Ubuntu 14.10. (CVE-2014-3583)\n\nIt was discovered that the mod_lua module incorrectly handled different\narguments within different contexts. A remote attacker could possibly use\nthis issue to bypass intended access restrictions. This issue only affected\nUbuntu 14.10. (CVE-2014-8109)\n\nGuido Vranken discovered that the mod_lua module incorrectly handled a\nspecially crafted websocket PING in certain circumstances. A remote\nattacker could possibly use this issue to cause the server to stop\nresponding, leading to a denial of service. This issue only affected\nUbuntu 14.10. (CVE-2015-0228)","dates":{"published":"2015-03-10T14:49:16.000Z","modified":"2026-04-22T09:09:04.842Z","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":"< 2.4.7-1ubuntu4.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.4.7-1ubuntu4.4","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-2523-1","label":"ubuntu.com/security/notices/USN-2523-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2013-5704","label":"ubuntu.com/security/CVE-2013-5704","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2014-3581","label":"ubuntu.com/security/CVE-2014-3581","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2014-3583","label":"ubuntu.com/security/CVE-2014-3583","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2014-8109","label":"ubuntu.com/security/CVE-2014-8109","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2015-0228","label":"ubuntu.com/security/CVE-2015-0228","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2013-5704","CVE-2014-3581","CVE-2014-3583"],"downstream":[],"duplicates":[],"related":["CVE-2013-5704","CVE-2014-3581","CVE-2014-3583"]},"timeline":[{"kind":"published","date":"2015-03-10T14:49:16.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-22T09:09:04.842Z","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":"2026-10-19T22:24:03.324Z","stale":false,"partial":false}}