{"schemaVersion":3,"id":"MGASA-2021-0241","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Updated upx packages fix security vulnerabilities\n\nThe updated package fixes security vulnerabilities:\n\nA heap buffer overflow read was discovered in upx 4.0.0, because the\ncheck in p_lx_elf.cpp is not perfect. (CVE-2020-24119)\n\nA flaw was found in upx canPack in p_lx_elf.cpp in UPX 3.96. This flaw\nallows attackers to cause a denial of service (SEGV or buffer overflow\nand application crash) or possibly have unspecified other impacts via a\ncrafted ELF. The highest threat from this vulnerability is to system\navailability. (CVE-2021-20285)","dates":{"published":"2021-06-08T16:46:03.000Z","modified":"2026-04-16T04:41:55.457Z","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":"upx","name":"upx","label":"upx","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/upx","purlType":"rpm","versions":[{"text":"< 3.96-1.1.mga7","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.96-1.1.mga7","eol":null,"hubHref":null},{"vendor":"mageia","product":"upx","name":"upx","label":"upx","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/upx","purlType":"rpm","versions":[{"text":"< 3.96-2.1.mga8","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.96-2.1.mga8","eol":null,"hubHref":null}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://advisories.mageia.org/MGASA-2021-0241.html","label":"advisories.mageia.org/MGASA-2021-0241.html","hostname":"advisories.mageia.org","tags":["Advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=29016","label":"bugs.mageia.org/show_bug.cgi?id=29016","hostname":"bugs.mageia.org","tags":["REPORT"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/G3BQABK4YLXENDJBLDMHAIPRTC3ZMLYK/","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["WEB"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/VSQRO7YC72PSYDQG4PQLQYXZTZE3B4YV/","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["WEB"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/V2GCFGL5HHPU3GIC7XYIPIMYFFLH2M4U/","label":"lists.opensuse.org/archives/…","hostname":"lists.opensuse.org","tags":["WEB"]}],"lineage":{"upstream":["CVE-2020-24119","CVE-2021-20285"],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2021-06-08T16:46:03.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-16T04:41:55.457Z","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":"2026-10-22T10:03:59.852Z","stale":false,"partial":false}}