{"id":"SUSE-SU-2020:3903-1","summary":"Security update for MozillaFirefox","details":"This update for MozillaFirefox fixes the following issues:\n\n- Firefox Extended Support Release 78.6.0 ESR\n  * Fixed: Various stability, functionality, and security fixes\n  MFSA 2020-55 (bsc#1180039)\n  * CVE-2020-16042 (bmo#1679003)\n    Operations on a BigInt could have caused uninitialized memory\n    to be exposed\n  * CVE-2020-26971 (bmo#1663466)\n    Heap buffer overflow in WebGL\n  * CVE-2020-26973 (bmo#1680084)\n    CSS Sanitizer performed incorrect sanitization\n  * CVE-2020-26974 (bmo#1681022)\n    Incorrect cast of StyleGenericFlexBasis resulted in a heap\n    use-after-free\n  * CVE-2020-26978 (bmo#1677047)\n    Internal network hosts could have been probed by a malicious\n    webpage\n  * CVE-2020-35111 (bmo#1657916)\n    The proxy.onRequest API did not catch view-source URLs\n  * CVE-2020-35112 (bmo#1661365)\n    Opening an extension-less download may have inadvertently\n    launched an executable instead\n  * CVE-2020-35113 (bmo#1664831, bmo#1673589)\n    Memory safety bugs fixed in Firefox 84 and Firefox ESR 78.6\n","modified":"2026-03-11T07:17:04.981096Z","published":"2020-12-21T19:11:25Z","related":["CVE-2020-16042","CVE-2020-26971","CVE-2020-26973","CVE-2020-26974","CVE-2020-26978","CVE-2020-35111","CVE-2020-35112","CVE-2020-35113"],"upstream":["CVE-2020-16042","CVE-2020-26971","CVE-2020-26973","CVE-2020-26974","CVE-2020-26978","CVE-2020-35111","CVE-2020-35112","CVE-2020-35113"],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2020/suse-su-20203903-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1180039"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-16042"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-26971"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-26973"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-26974"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-26978"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-35111"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-35112"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-35113"}],"affected":[{"package":{"name":"MozillaFirefox","ecosystem":"SUSE:HPE 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