{"schemaVersion":3,"id":"SUSE-SU-2021:1167-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Security update for MozillaThunderbird\n\nThis update for MozillaThunderbird fixes the following issues:\n\n- Mozilla Thunderbird was updated to version 78.9.1 (MFSA 2021-12,MFSA 2021-13, bsc#1183942, bsc#1184536)\n  * CVE-2021-23981: Texture upload into an unbound backing buffer resulted in an out-of-bound read\n  * CVE-2021-23982: Internal network hosts could have been probed by a malicious webpage\n  * CVE-2021-23984: Malicious extensions could have spoofed popup information\n  * CVE-2021-23987: Memory safety bugs\n  * CVE-2021-23991: An attacker may use Thunderbird's OpenPGP key refresh mechanism to poison an existing key\n  * CVE-2021-23993: Inability to send encrypted OpenPGP email after importing a crafted OpenPGP key\n- cleaned up and fixed mozilla.sh.in for wayland (bsc#1177542)","dates":{"published":"2021-04-13T12:04:16.000Z","modified":"2026-02-04T04:27:37.535Z","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":"suse","product":"MozillaThunderbird&distro=SUSE Linux Enterprise Workstation Extension 15 SP2","name":"MozillaThunderbird","label":"MozillaThunderbird&distro=SUSE Linux Enterprise Workstation Extension 15 SP2","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/MozillaThunderbird&distro=SUSE Linux Enterprise Workstation Extension 15 SP2","purlType":"rpm","versions":[{"text":"< 78.9.1-8.20.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 78.9.1-8.20.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.suse.com/support/update/announcement/2021/suse-su-20211167-1/","label":"www.suse.com/support/update/announcement/2021/suse-su-20211167-1/","hostname":"www.suse.com","tags":["Advisory"]},{"url":"https://bugzilla.suse.com/1177542","label":"bugzilla.suse.com/1177542","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1183942","label":"bugzilla.suse.com/1183942","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1184536","label":"bugzilla.suse.com/1184536","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://www.suse.com/security/cve/CVE-2021-23981","label":"www.suse.com/security/cve/CVE-2021-23981","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2021-23982","label":"www.suse.com/security/cve/CVE-2021-23982","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2021-23984","label":"www.suse.com/security/cve/CVE-2021-23984","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2021-23987","label":"www.suse.com/security/cve/CVE-2021-23987","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2021-23991","label":"www.suse.com/security/cve/CVE-2021-23991","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2021-23992","label":"www.suse.com/security/cve/CVE-2021-23992","hostname":"www.suse.com","tags":["WEB"]}],"lineage":{"upstream":["CVE-2021-23981","CVE-2021-23982","CVE-2021-23984","CVE-2021-23987","CVE-2021-23991","CVE-2021-23992"],"downstream":[],"duplicates":[],"related":["CVE-2021-23981","CVE-2021-23982","CVE-2021-23984","CVE-2021-23987","CVE-2021-23991","CVE-2021-23992"]},"timeline":[{"kind":"published","date":"2021-04-13T12:04:16.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-02-04T04:27:37.535Z","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":"2026-10-22T14:08:57.177Z","stale":false,"partial":false}}