{"schemaVersion":3,"id":"MGASA-2021-0180","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Updated tor packages fix security vulnerabilities\n\nThe dump_desc() function that we used to dump unparseable information to disk,\nwas called incorrectly in several places, in a way that could lead to excessive\nCPU usage (CVE-2021-28089).\n\nA bug in appending detached signatures to a pending consensus document could be\nused to crash a directory authority (CVE-2021-28090).","dates":{"published":"2021-04-12T19:59:59.000Z","modified":"2026-04-16T04:41:19.592Z","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":"mageia","product":"tor","name":"tor","label":"tor","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/tor","purlType":"rpm","versions":[{"text":"< 0.3.5.14-1.mga7","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0.3.5.14-1.mga7","eol":null,"hubHref":null},{"vendor":"mageia","product":"tor","name":"tor","label":"tor","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/tor","purlType":"rpm","versions":[{"text":"< 0.3.5.14-1.mga8","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0.3.5.14-1.mga8","eol":null,"hubHref":null}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://advisories.mageia.org/MGASA-2021-0180.html","label":"advisories.mageia.org/MGASA-2021-0180.html","hostname":"advisories.mageia.org","tags":["Advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=28628","label":"bugs.mageia.org/show_bug.cgi?id=28628","hostname":"bugs.mageia.org","tags":["REPORT"]},{"url":"https://blog.torproject.org/node/2009","label":"blog.torproject.org/node/2009","hostname":"blog.torproject.org","tags":["WEB"]}],"lineage":{"upstream":["CVE-2021-28089","CVE-2021-28090"],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2021-04-12T19:59:59.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-16T04:41:19.592Z","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":"2026-10-20T14:54:31.821Z","stale":false,"partial":false}}