{"schemaVersion":3,"id":"MGASA-2018-0455","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Updated libmspack/cabextract packages fix security vulnerabilities\n\nHanno Böck discovered that libmspack incorrectly handled certain CHM\nfiles. An attacker could possibly use this issue to cause a denial of\nservice (CVE-2018-14679, CVE-2018-14680).\n\nJakub Wilk discovered that libmspack incorrectly handled certain KWAJ\nfiles. An attacker could possibly use this issue to execute arbitrary\ncode (CVE-2018-14681).\n\nDmitry Glavatskikh discovered that libmspack incorrectly certain CHM\nfiles. An attacker could possibly use this issue to execute arbitrary\ncode (CVE-2018-14682).\n\nIf a CAB file has a Quantum-compressed datablock with exactly 38912\ncompressed bytes, cabextract would write exactly one byte beyond its\ninput buffer (CVE-2018-18584).\n\nlibmspack didn't reject blank CHM filenames that are blank because they\nhave embedded null bytes, not just because they are zero-length\n(CVE-2018-18585).\n\nchmextract didn't protect from absolute/relative pathnames in CHM files\n(CVE-2018-18586).","dates":{"published":"2018-11-17T22:23:26.000Z","modified":"2026-04-16T06:25:07.215Z","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":"cabextract","name":"cabextract","label":"cabextract","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/cabextract","purlType":"rpm","versions":[{"text":"< 1.9-1.mga6","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.9-1.mga6","eol":null,"hubHref":null},{"vendor":"mageia","product":"libmspack","name":"libmspack","label":"libmspack","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/libmspack","purlType":"rpm","versions":[{"text":"< 0.9.1-0.alpha.1.mga6","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0.9.1-0.alpha.1.mga6","eol":null,"hubHref":null}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://advisories.mageia.org/MGASA-2018-0455.html","label":"advisories.mageia.org/MGASA-2018-0455.html","hostname":"advisories.mageia.org","tags":["Advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=23365","label":"bugs.mageia.org/show_bug.cgi?id=23365","hostname":"bugs.mageia.org","tags":["REPORT"]},{"url":"https://usn.ubuntu.com/3728-1/","label":"usn.ubuntu.com/3728-1/","hostname":"usn.ubuntu.com","tags":["WEB"]},{"url":"https://www.openwall.com/lists/oss-security/2018/10/22/1","label":"www.openwall.com/lists/oss-security/2018/10/22/1","hostname":"www.openwall.com","tags":["WEB"]},{"url":"https://www.openwall.com/lists/oss-security/2018/10/23/11","label":"www.openwall.com/lists/oss-security/2018/10/23/11","hostname":"www.openwall.com","tags":["WEB"]}],"lineage":{"upstream":["CVE-2018-14679","CVE-2018-14680","CVE-2018-14681","CVE-2018-14682","CVE-2018-18584","CVE-2018-18585","CVE-2018-18586"],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2018-11-17T22:23:26.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-16T06:25:07.215Z","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":"2026-10-19T04:50:32.552Z","stale":false,"partial":false}}