{"schemaVersion":3,"id":"CVE-2022-0559","aliases":["UBUNTU-CVE-2022-0559"],"status":"published","duplicateOf":null,"title":null,"description":"Use After Free in GitHub repository radareorg/radare2 prior to 5.6.2.","dates":{"published":"2022-02-16T10:15:11.000Z","modified":"2024-08-02T23:32:46.446Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9.8,"severity":"critical","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"CVE.org","score":8.4,"severity":"high","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":10,"impact":9.8,"computed":true},{"version":"3.0","versionLabel":"v3.0","source":"OSV · Ubuntu","score":8.4,"severity":"high","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":6.4,"impact":9.8,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":8.4,"severity":"high","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":7.5,"severity":"high","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.01262,"percentile":0.69233,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.01262},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01262,"percentile":0.69233}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01262,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01262,"percentile":0.69233}]},"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":[{"id":"REF_8F375E03C58947D2","name":"Exploit Reference (huntr.dev)","source":"reference","url":"https://huntr.dev/bounties/aa80adb7-e900-44a5-ad05-91f3ccdfc81e","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":1,"weaknesses":[{"id":"CWE-416","name":"Use After Free","description":"The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory \"belongs\" to the code that operates on the new pointer.","type":"weakness","status":"Stable","abstraction":"Variant","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/416.html"}],"affected":[{"vendor":"ubuntu","product":"radare2","name":"radare2","label":"radare2","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/radare2","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"fedoraproject","product":"fedora","name":"fedora","label":"fedora","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"35","noFixRecorded":false,"fixedIn":null},{"text":"36","noFixRecorded":false,"fixedIn":null}],"versionsText":"35 | 36","eol":{"isEol":true,"eolDate":"2022-12-13T00:00:00.000Z","matchMethod":"cpe","cycle":{"name":"35","label":"35","eolFrom":"2022-12-13T00:00:00.000Z","isLts":false,"isMaintained":false,"latestVersion":null},"product":{"name":"fedora","label":"Fedora Linux","category":"os"}},"hubHref":"/vendor/fedoraproject/fedora"},{"vendor":"radare","product":"radare2","name":"radare2","label":"radare2","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 5.6.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.6.2","eol":null,"hubHref":"/vendor/radare/radare2"},{"vendor":"radareorg","product":"radareorg/radare2","name":"radareorg/radare2","label":"radareorg/radare2","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ unspecified, < 5.6.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ unspecified, < 5.6.2","eol":null,"hubHref":"/vendor/radareorg/radareorgradare2"}],"affectedCount":4,"eol":{"hasEol":true,"count":1},"references":[{"url":"https://huntr.dev/bounties/aa80adb7-e900-44a5-ad05-91f3ccdfc81e","label":"huntr.dev/bounties/aa80adb7-e900-44a5-ad05-91f3ccdfc81e","hostname":"huntr.dev","tags":["X Refsource CONFIRM","REPORT","Exploit","Patch","Third Party Advisory"]},{"url":"https://github.com/radareorg/radare2/commit/b5cb90b28ec71fda3504da04e3cc94a362807f5e","label":"github.com/radareorg/radare2/commit/b5cb90b28ec71fda3504da04e3cc94a362807f5e","hostname":"github.com","tags":["X Refsource MISC","REPORT","Patch","Third Party Advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E6YBRQ3UCFWJVSOYIKPVUDASZ544TFND/","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["Vendor Advisory","X Refsource FEDORA"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BZTIMAS53YT66FUS4QHQAFRJOBMUFG6D/","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["Vendor Advisory","X Refsource FEDORA"]},{"url":"https://ubuntu.com/security/CVE-2022-0559","label":"ubuntu.com/security/CVE-2022-0559","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-0559","label":"www.cve.org/CVERecord?id=CVE-2022-0559","hostname":"www.cve.org","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":["MGASA-2022-0440","OPENSUSE-SU-2024:12173-1"],"duplicates":[],"related":["OPENSUSE-SU-2024:12173-1"]},"timeline":[{"kind":"published","date":"2022-02-16T10:15:11.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-02T23:32:46.446Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T03:59:23.634Z","stale":false,"partial":false}}