{"schemaVersion":3,"id":"USN-5179-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"busybox vulnerabilities\n\nIt was discovered that BusyBox incorrectly handled certain malformed gzip\narchives. If a user or automated system were tricked into processing a\nspecially crafted gzip archive, a remote attacker could use this issue to\ncause BusyBox to crash, resulting in a denial of service, or possibly\nexecute arbitrary code. (CVE-2021-28831)\n\nIt was discovered that BusyBox incorrectly handled certain malformed LZMA\narchives. If a user or automated system were tricked into processing a\nspecially crafted LZMA archive, a remote attacker could use this issue to\ncause BusyBox to crash, resulting in a denial of service, or possibly\nleak sensitive information. (CVE-2021-42374)\n\nVera Mens, Uri Katz, Tal Keren, Sharon Brizinov, and Shachar Menashe\ndiscovered that BusyBox incorrectly handled certain awk patterns. If a user\nor automated system were tricked into processing a specially crafted awk\npattern, a remote attacker could use this issue to cause BusyBox to crash,\nresulting in a denial of service, or possibly execute arbitrary code.\n(CVE-2021-42378, CVE-2021-42379, CVE-2021-42380, CVE-2021-42381,\nCVE-2021-42382, CVE-2021-42384, CVE-2021-42385, CVE-2021-42386)","dates":{"published":"2021-12-07T12:44:40.000Z","modified":"2026-02-10T04:42:24.000Z","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":"busybox","name":"busybox","label":"busybox","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/busybox","purlType":"deb","versions":[{"text":"< 1:1.27.2-2ubuntu3.4","noFixRecorded":false,"fixedIn":null},{"text":"< 1:1.30.1-4ubuntu6.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1:1.27.2-2ubuntu3.4 | < 1:1.30.1-4ubuntu6.4","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-5179-1","label":"ubuntu.com/security/notices/USN-5179-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-28831","label":"ubuntu.com/security/CVE-2021-28831","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-42374","label":"ubuntu.com/security/CVE-2021-42374","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-42378","label":"ubuntu.com/security/CVE-2021-42378","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-42379","label":"ubuntu.com/security/CVE-2021-42379","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-42380","label":"ubuntu.com/security/CVE-2021-42380","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-42381","label":"ubuntu.com/security/CVE-2021-42381","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-42382","label":"ubuntu.com/security/CVE-2021-42382","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-42384","label":"ubuntu.com/security/CVE-2021-42384","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-42385","label":"ubuntu.com/security/CVE-2021-42385","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-42386","label":"ubuntu.com/security/CVE-2021-42386","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2021-28831","CVE-2021-42374","CVE-2021-42378","CVE-2021-42379","CVE-2021-42380","CVE-2021-42381","CVE-2021-42382","CVE-2021-42384","CVE-2021-42385","CVE-2021-42386"],"downstream":[],"duplicates":[],"related":["CVE-2021-28831","CVE-2021-42374","CVE-2021-42378","CVE-2021-42379","CVE-2021-42380","CVE-2021-42381","CVE-2021-42382","CVE-2021-42384","CVE-2021-42385","CVE-2021-42386"]},"timeline":[{"kind":"published","date":"2021-12-07T12:44:40.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-02-10T04:42:24.000Z","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":"2026-10-21T00:07:53.432Z","stale":false,"partial":false}}