{"schemaVersion":3,"id":"MGASA-2021-0143","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Updated flatpak packages fix security vulnerabilities\n\nSandbox escape where a malicious application can execute code outside the\nsandbox by controlling the environment of the \"flatpak run\" command when\nspawning a sub-sandbox (CVE-2021-21261).\n\nA potential attack where a flatpak application could use custom formatted\n.desktop files to gain access to files on the host system (CVE-2021-21381).\n\nThe update also removes the unnecessary flatpak-tests subpackage.","dates":{"published":"2021-03-18T09:56:09.000Z","modified":"2026-04-16T04:40:53.588Z","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":"appstream-glib","name":"appstream-glib","label":"appstream-glib","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/appstream-glib","purlType":"rpm","versions":[{"text":"< 0.7.15-1.mga7","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0.7.15-1.mga7","eol":null,"hubHref":null},{"vendor":"mageia","product":"bubblewrap","name":"bubblewrap","label":"bubblewrap","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/bubblewrap","purlType":"rpm","versions":[{"text":"< 0.4.1-1.mga7","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0.4.1-1.mga7","eol":null,"hubHref":null},{"vendor":"mageia","product":"flatpak","name":"flatpak","label":"flatpak","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/flatpak","purlType":"rpm","versions":[{"text":"< 1.10.2-1.mga7","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.10.2-1.mga7","eol":null,"hubHref":null},{"vendor":"mageia","product":"gnome-software","name":"gnome-software","label":"gnome-software","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/gnome-software","purlType":"rpm","versions":[{"text":"< 3.32.2-2.1.mga7","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 3.32.2-2.1.mga7","eol":null,"hubHref":null},{"vendor":"mageia","product":"libglib-testing","name":"libglib-testing","label":"libglib-testing","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/libglib-testing","purlType":"rpm","versions":[{"text":"< 0.1.0-2.mga7","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0.1.0-2.mga7","eol":null,"hubHref":null},{"vendor":"mageia","product":"malcontent","name":"malcontent","label":"malcontent","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/malcontent","purlType":"rpm","versions":[{"text":"< 0.9.0-2.mga7","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 0.9.0-2.mga7","eol":null,"hubHref":null},{"vendor":"mageia","product":"ostree","name":"ostree","label":"ostree","ecosystem":"Mageia","cpePart":null,"purl":"pkg:rpm/mageia/ostree","purlType":"rpm","versions":[{"text":"< 2020.8-1.mga7","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2020.8-1.mga7","eol":null,"hubHref":null}],"affectedCount":7,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://advisories.mageia.org/MGASA-2021-0143.html","label":"advisories.mageia.org/MGASA-2021-0143.html","hostname":"advisories.mageia.org","tags":["Advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=27126","label":"bugs.mageia.org/show_bug.cgi?id=27126","hostname":"bugs.mageia.org","tags":["REPORT"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=25978","label":"bugs.mageia.org/show_bug.cgi?id=25978","hostname":"bugs.mageia.org","tags":["REPORT"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=28575","label":"bugs.mageia.org/show_bug.cgi?id=28575","hostname":"bugs.mageia.org","tags":["REPORT"]},{"url":"https://github.com/flatpak/flatpak/security/advisories/GHSA-4ppf-fxf6-vxg2","label":"github.com/flatpak/flatpak/security/advisories/GHSA-4ppf-fxf6-vxg2","hostname":"github.com","tags":["Advisory"]},{"url":"https://github.com/flatpak/flatpak/security/advisories/GHSA-xgh4-387p-hqpp","label":"github.com/flatpak/flatpak/security/advisories/GHSA-xgh4-387p-hqpp","hostname":"github.com","tags":["Advisory"]},{"url":"https://github.com/flatpak/flatpak/issues/4146","label":"github.com/flatpak/flatpak/issues/4146","hostname":"github.com","tags":["REPORT"]},{"url":"https://github.com/flatpak/flatpak/releases","label":"github.com/flatpak/flatpak/releases","hostname":"github.com","tags":["WEB"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/2K2Q5P4IIUN2SFJKQKB4UJQ37CE2E55K/","label":"lists.fedoraproject.org/archives/…","hostname":"lists.fedoraproject.org","tags":["WEB"]}],"lineage":{"upstream":["CVE-2021-21261","CVE-2021-21381"],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2021-03-18T09:56:09.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-16T04:40:53.588Z","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":"2026-10-22T07:18:16.860Z","stale":false,"partial":false}}