{"schemaVersion":3,"id":"MGASA-2016-0393","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Updated bash packages fix security vulnerability\n\nA vulnerability was found in a way bash expands the $HOSTNAME. Injecting\nthe hostname with malicious code would cause it to run each time bash\nexpanded \\h in the prompt string (CVE-2016-0634).\n\nShells running as root inherited PS4 from the environment, allowing PS4\nexpansion performing command substitution. Local attacker could gain\narbitrary code execution via bogus setuid binaries using system()/popen()\nby specially crafting SHELLOPTS+PS4 environment variables (CVE-2016-7543)","dates":{"published":"2016-11-21T22:18:01.000Z","modified":"2026-04-16T06:23:26.762Z","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":"bash","name":"bash","label":"bash","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/bash","purlType":"rpm","versions":[{"text":"< 4.3-48.2.mga5","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.3-48.2.mga5","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://advisories.mageia.org/MGASA-2016-0393.html","label":"advisories.mageia.org/MGASA-2016-0393.html","hostname":"advisories.mageia.org","tags":["Advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=19462","label":"bugs.mageia.org/show_bug.cgi?id=19462","hostname":"bugs.mageia.org","tags":["REPORT"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/5GRFMCTX4O7RTLZX5CI45KC7GGM6XIIY/","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["WEB"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/OU3C756YPHDAAPFX76UGZBAQQQ5UMHS5/","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["WEB"]}],"lineage":{"upstream":["CVE-2016-0634","CVE-2016-7543"],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2016-11-21T22:18:01.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-16T06:23:26.762Z","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":"2026-10-20T21:23:18.925Z","stale":false,"partial":false}}