{"id":"openSUSE-SU-2026:21043-1","summary":"Security update for MozillaFirefox","details":"This update for MozillaFirefox fixes the following issue\n\nUpdate to Firefox 140.12.0 ESR (MFSA 2026-58, bsc#1268071):\n\n- CVE-2026-12289: Privilege escalation in the Graphics: WebRender component.\n- CVE-2026-12290: Memory safety bug fixed in Firefox ESR 140.12.\n- CVE-2026-12291: Use-after-free in the Networking: HTTP component.\n- CVE-2026-12292: Incorrect boundary conditions in the Web Audio component.\n- CVE-2026-12294: Sandbox escape in the DOM: Workers component.\n- CVE-2026-12295: Sandbox escape in the DOM: Navigation component.\n- CVE-2026-12296: Sandbox escape in the Security: Process Sandboxing component.\n- CVE-2026-12297: Sandbox escape due to incorrect boundary conditions in the Networking component.\n- CVE-2026-12298: Memory safety bug fixed in Firefox ESR 140.12.\n- CVE-2026-12299: JIT miscompilation in the DOM: Core & HTML component.\n- CVE-2026-12302: Mitigation bypass in the DOM: Security component.\n- CVE-2026-12304: Same-origin policy bypass in the Networking: Cookies component.\n- CVE-2026-12305: Memory safety bug fixed in Firefox ESR 140.12.\n- CVE-2026-12306: Memory safety bug fixed in Firefox ESR 140.12.\n- CVE-2026-12307: Memory safety bug fixed in Firefox ESR 140.12.\n- CVE-2026-12308: Memory safety bug fixed in Firefox ESR 140.12.\n- CVE-2026-12309: Memory safety bug fixed in Firefox ESR 140.12.\n- CVE-2026-12310: Memory safety bug fixed in Firefox ESR 140.12.\n- CVE-2026-12311: Information disclosure, sandbox escape in the Security: Process Sandboxing component.\n- CVE-2026-12312: Memory safety bug fixed in Firefox ESR 140.12.\n- CVE-2026-12313: Information disclosure, sandbox escape in the Security: Process Sandboxing component.\n- CVE-2026-12314: Memory safety bug fixed in Firefox ESR 140.12.\n- CVE-2026-12315: Mitigation bypass in the DOM: Security component.\n- CVE-2026-12324: Incorrect boundary conditions in the Graphics: CanvasWebGL component.\n- CVE-2026-12325: Denial-of-service in the Graphics: ImageLib component.\n- CVE-2026-12327: Memory safety bugs fixed in Firefox ESR 140.12, Thunderbird ESR 140.12, Firefox 152 and Thunderbird\n  152.\n- CVE-2026-12328: Memory safety bugs fixed in Firefox ESR 115.37, Firefox ESR 140.12, Thunderbird ESR 140.12, Firefox\n  152 and Thunderbird 152.\n- CVE-2026-12329: Memory safety bug fixed in Firefox ESR 140.12.\n- CVE-2026-12330: Incorrect boundary conditions in the Internationalization component.\n","modified":"2026-06-30T18:24:29.141224909Z","published":"2026-06-24T08:25:21Z","related":["CVE-2026-12289","CVE-2026-12290","CVE-2026-12291","CVE-2026-12292","CVE-2026-12294","CVE-2026-12295","CVE-2026-12296","CVE-2026-12297","CVE-2026-12298","CVE-2026-12299","CVE-2026-12302","CVE-2026-12304","CVE-2026-12305","CVE-2026-12306","CVE-2026-12307","CVE-2026-12308","CVE-2026-12309","CVE-2026-12310","CVE-2026-12311","CVE-2026-12312","CVE-2026-12313","CVE-2026-12314","CVE-2026-12315","CVE-2026-12324","CVE-2026-12325","CVE-2026-12327","CVE-2026-12328","CVE-2026-12329","CVE-2026-12330"],"upstream":["CVE-2026-12289","CVE-2026-12290","CVE-2026-12291","CVE-2026-12292","CVE-2026-12294","CVE-2026-12295","CVE-2026-12296","CVE-2026-12297","CVE-2026-12298","CVE-2026-12299","CVE-2026-12302","CVE-2026-12304","CVE-2026-12305","CVE-2026-12306","CVE-2026-12307","CVE-2026-12308","CVE-2026-12309","CVE-2026-12310","CVE-2026-12311","CVE-2026-12312","CVE-2026-12313","CVE-2026-12314","CVE-2026-12315","CVE-2026-12324","CVE-2026-12325","CVE-2026-12327","CVE-2026-12328","CVE-2026-12329","CVE-2026-12330"],"references":[{"type":"ADVISORY"},{"type":"REPORT","url":"https://bugzilla.suse.com/1268071"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-12289"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-12290"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-12291"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-12292"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-12294"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-12295"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-12296"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-12297"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-12298"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-12299"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-12302"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-12304"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-12305"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-12306"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-12307"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-12308"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-12309"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-12310"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-12311"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-12312"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-12313"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-12314"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-12315"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-12324"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-12325"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-12327"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-12328"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-12329"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-12330"}],"affected":[{"package":{"name":"MozillaFirefox","ecosystem":"openSUSE:Leap 16.0","purl":"pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Leap%2016.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"140.12.0-160000.1.1"}]}],"ecosystem_specific":{"binaries":[{"MozillaFirefox-translations-other":"140.12.0-160000.1.1","MozillaFirefox":"140.12.0-160000.1.1","MozillaFirefox-branding-upstream":"140.12.0-160000.1.1","MozillaFirefox-devel":"140.12.0-160000.1.1","MozillaFirefox-translations-common":"140.12.0-160000.1.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2026:21043-1.json"}}],"schema_version":"1.7.5"}