{"schemaVersion":3,"id":"OPENSUSE-SU-2021:2874-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Security update for MozillaThunderbird\n\nThis update for MozillaThunderbird fixes the following issues:\n\nUpdate to version 78.13 (MFSA 2021-35, bsc#1188891)\n\n- CVE-2021-29986: Race condition when resolving DNS names could have led to memory corruption\n- CVE-2021-29988: Memory corruption as a result of incorrect style treatment\n- CVE-2021-29984: Incorrect instruction reordering during JIT optimization\n- CVE-2021-29980: Uninitialized memory in a canvas object could have led to memory corruption\n- CVE-2021-29985: Use-after-free media channels\n- CVE-2021-29989: Memory safety bugs fixed in Thunderbird 78.13","dates":{"published":"2021-08-30T13:54:38.000Z","modified":"2026-02-04T03:48:06.166Z","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":"opensuse","product":"MozillaThunderbird&distro=openSUSE Leap 15.3","name":"MozillaThunderbird","label":"MozillaThunderbird&distro=openSUSE Leap 15.3","ecosystem":"openSUSE","cpePart":null,"purl":"pkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE Leap 15.3","purlType":"rpm","versions":[{"text":"< 78.13.0-8.36.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 78.13.0-8.36.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/PVP63YNT47WLZX6UE7WUKUN3AIGLJGWZ/","label":"lists.opensuse.org/archives/…","hostname":"lists.opensuse.org","tags":["Advisory"]},{"url":"https://bugzilla.suse.com/1188891","label":"bugzilla.suse.com/1188891","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://www.suse.com/security/cve/CVE-2021-29980","label":"www.suse.com/security/cve/CVE-2021-29980","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2021-29984","label":"www.suse.com/security/cve/CVE-2021-29984","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2021-29985","label":"www.suse.com/security/cve/CVE-2021-29985","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2021-29986","label":"www.suse.com/security/cve/CVE-2021-29986","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2021-29988","label":"www.suse.com/security/cve/CVE-2021-29988","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2021-29989","label":"www.suse.com/security/cve/CVE-2021-29989","hostname":"www.suse.com","tags":["WEB"]}],"lineage":{"upstream":["CVE-2021-29980","CVE-2021-29984","CVE-2021-29985","CVE-2021-29986","CVE-2021-29988","CVE-2021-29989"],"downstream":[],"duplicates":[],"related":["CVE-2021-29980","CVE-2021-29984","CVE-2021-29985","CVE-2021-29986","CVE-2021-29988","CVE-2021-29989"]},"timeline":[{"kind":"published","date":"2021-08-30T13:54:38.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-02-04T03:48:06.166Z","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":"2026-10-22T10:36:51.756Z","stale":false,"partial":false}}