{"schemaVersion":3,"id":"USN-6905-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"ruby-rack vulnerabilities\n\nIt was discovered that Rack incorrectly handled certain regular\nexpressions. A remote attacker could possibly use this issue to cause\nRack to consume resources, leading to a denial of service.\n(CVE-2023-27539)\n\nIt was discovered that Rack incorrectly handled Multipart MIME parsing.\nA remote attacker could possibly use this issue to cause Rack to consume\nresources, leading to a denial of service. This issue only affected\nUbuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2023-27530)","dates":{"published":"2024-07-23T00:16:09.000Z","modified":"2026-06-29T13:51:11.334Z","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":"ruby-rack","name":"ruby-rack","label":"ruby-rack","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/ruby-rack","purlType":"deb","versions":[{"text":"< 1.5.2-3+deb8u3ubuntu1~esm7","noFixRecorded":false,"fixedIn":null},{"text":"< 1.6.4-3ubuntu0.2+esm5","noFixRecorded":false,"fixedIn":null},{"text":"< 1.6.4-4ubuntu0.2+esm5","noFixRecorded":false,"fixedIn":null},{"text":"< 2.0.7-2ubuntu0.1+esm4","noFixRecorded":false,"fixedIn":null},{"text":"< 2.1.4-5ubuntu1+esm4","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.5.2-3+deb8u3ubuntu1~esm7 | < 1.6.4-3ubuntu0.2+esm5 | < 1.6.4-4ubuntu0.2+esm5 | < 2.0.7-2ubuntu0.1+esm4 | < 2.1.4-5ubuntu1+esm4","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-6905-1","label":"ubuntu.com/security/notices/USN-6905-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-27530","label":"ubuntu.com/security/CVE-2023-27530","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2023-27539","label":"ubuntu.com/security/CVE-2023-27539","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2023-27530","CVE-2023-27539"],"downstream":[],"duplicates":[],"related":["CVE-2023-27530","CVE-2023-27539"]},"timeline":[{"kind":"published","date":"2024-07-23T00:16:09.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-29T13:51:11.334Z","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":"2026-10-20T04:23:21.656Z","stale":false,"partial":false}}