{"schemaVersion":3,"id":"USN-5333-2","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"apache2 vulnerabilities\n\nUSN-5333-1 fixed several vulnerabilities in Apache. This update provides\nthe corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.\n\nOriginal advisory details:\n\n Chamal De Silva discovered that the Apache HTTP Server mod_lua module\n incorrectly handled certain crafted request bodies. A remote attacker could\n possibly use this issue to cause the server to crash, resulting in a denial\n of service. (CVE-2022-22719)\n\n James Kettle discovered that the Apache HTTP Server incorrectly closed\n inbound connection when certain errors are encountered. A remote attacker\n could possibly use this issue to perform an HTTP Request Smuggling attack.\n (CVE-2022-22720)\n\n It was discovered that the Apache HTTP Server incorrectly handled large\n LimitXMLRequestBody settings on certain platforms. In certain\n configurations, a remote attacker could use this issue to cause the server\n to crash, resulting in a denial of service, or possibly execute arbitrary\n code. (CVE-2022-22721)\n\n Ronald Crane discovered that the Apache HTTP Server mod_sed module\n incorrectly handled memory. A remote attacker could use this issue to cause\n the server to crash, resulting in a denial of service, or possibly execute\n arbitrary code. (CVE-2022-23943)","dates":{"published":"2022-03-17T19:10:08.000Z","modified":"2026-06-29T13:49:36.249Z","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":"< 2.4.7-1ubuntu4.22+esm4","noFixRecorded":false,"fixedIn":null},{"text":"< 2.4.18-2ubuntu3.17+esm5","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.4.7-1ubuntu4.22+esm4 | < 2.4.18-2ubuntu3.17+esm5","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-5333-2","label":"ubuntu.com/security/notices/USN-5333-2","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2022-22719","label":"ubuntu.com/security/CVE-2022-22719","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2022-22720","label":"ubuntu.com/security/CVE-2022-22720","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2022-22721","label":"ubuntu.com/security/CVE-2022-22721","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2022-23943","label":"ubuntu.com/security/CVE-2022-23943","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2022-22719","CVE-2022-22720","CVE-2022-22721","CVE-2022-23943"],"downstream":[],"duplicates":[],"related":["CVE-2022-22719","CVE-2022-22720","CVE-2022-22721","CVE-2022-23943"]},"timeline":[{"kind":"published","date":"2022-03-17T19:10:08.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-29T13:49:36.249Z","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":"2026-10-20T05:50:54.320Z","stale":false,"partial":false}}