{"schemaVersion":3,"id":"USN-5826-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"privoxy vulnerabilities\n\nJoshua Rogers discovered that Privoxy incorrectly handled memory allocation. An\nattacker could possibly use this issue to cause a denial of service. (CVE-2021-44540)\n\nArtem Ivanov discovered that Privoxy incorrectly handled input validations. An\nattacker could possibly use this issue to perform cross-site scripting (XSS) attacks.\n(CVE-2021-44543)","dates":{"published":"2023-01-25T13:10:00.000Z","modified":"2026-04-27T16:30:16.229Z","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":"privoxy","name":"privoxy","label":"privoxy","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/privoxy","purlType":"deb","versions":[{"text":"< 3.0.26-5ubuntu0.3","noFixRecorded":false,"fixedIn":null},{"text":"< 3.0.28-2ubuntu0.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.0.26-5ubuntu0.3 | < 3.0.28-2ubuntu0.2","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-5826-1","label":"ubuntu.com/security/notices/USN-5826-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-44540","label":"ubuntu.com/security/CVE-2021-44540","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-44543","label":"ubuntu.com/security/CVE-2021-44543","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2021-44540","CVE-2021-44543"],"downstream":[],"duplicates":[],"related":["CVE-2021-44540","CVE-2021-44543"]},"timeline":[{"kind":"published","date":"2023-01-25T13:10:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-27T16:30:16.229Z","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":"2026-10-20T14:27:22.225Z","stale":false,"partial":false}}