MozillaFirefox-147.0-1.1 on GA media SUSE Patch security@suse.de SUSE Security Team openSUSE-SU-2026:10046-1 Final 1 1 2026-01-14T00:00:00Z current 2026-01-14T00:00:00Z 2026-01-14T00:00:00Z cve-database/bin/generate-cvrf.pl 2017-02-24T01:00:00Z MozillaFirefox-147.0-1.1 on GA media These are all security issues fixed in the MozillaFirefox-147.0-1.1 package on the GA media of openSUSE Tumbleweed. The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). openSUSE-Tumbleweed-2026-10046 Copyright SUSE LLC under the Creative Commons License 4.0 with Attribution (CC-BY-4.0) https://www.suse.com/support/security/rating/ SUSE Security Ratings https://www.suse.com/security/cve/CVE-2026-0877/ SUSE CVE CVE-2026-0877 page https://www.suse.com/security/cve/CVE-2026-0878/ SUSE CVE CVE-2026-0878 page https://www.suse.com/security/cve/CVE-2026-0879/ SUSE CVE CVE-2026-0879 page https://www.suse.com/security/cve/CVE-2026-0880/ SUSE CVE CVE-2026-0880 page https://www.suse.com/security/cve/CVE-2026-0881/ SUSE CVE CVE-2026-0881 page https://www.suse.com/security/cve/CVE-2026-0882/ SUSE CVE CVE-2026-0882 page https://www.suse.com/security/cve/CVE-2026-0883/ SUSE CVE CVE-2026-0883 page https://www.suse.com/security/cve/CVE-2026-0884/ SUSE CVE CVE-2026-0884 page https://www.suse.com/security/cve/CVE-2026-0885/ SUSE CVE CVE-2026-0885 page https://www.suse.com/security/cve/CVE-2026-0886/ SUSE CVE CVE-2026-0886 page https://www.suse.com/security/cve/CVE-2026-0887/ SUSE CVE CVE-2026-0887 page https://www.suse.com/security/cve/CVE-2026-0888/ SUSE CVE CVE-2026-0888 page https://www.suse.com/security/cve/CVE-2026-0889/ SUSE CVE CVE-2026-0889 page https://www.suse.com/security/cve/CVE-2026-0890/ SUSE CVE CVE-2026-0890 page https://www.suse.com/security/cve/CVE-2026-0891/ SUSE CVE CVE-2026-0891 page https://www.suse.com/security/cve/CVE-2026-0892/ SUSE CVE CVE-2026-0892 page openSUSE Tumbleweed MozillaFirefox-147.0-1.1 MozillaFirefox-branding-upstream-147.0-1.1 MozillaFirefox-devel-147.0-1.1 MozillaFirefox-translations-common-147.0-1.1 MozillaFirefox-translations-other-147.0-1.1 MozillaFirefox-147.0-1.1 as a component of openSUSE Tumbleweed MozillaFirefox-branding-upstream-147.0-1.1 as a component of openSUSE Tumbleweed MozillaFirefox-devel-147.0-1.1 as a component of openSUSE Tumbleweed MozillaFirefox-translations-common-147.0-1.1 as a component of openSUSE Tumbleweed MozillaFirefox-translations-other-147.0-1.1 as a component of openSUSE Tumbleweed Mitigation bypass in the DOM: Security component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, and Firefox ESR < 140.7. CVE-2026-0877 openSUSE Tumbleweed:MozillaFirefox-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-branding-upstream-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-devel-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-translations-common-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-translations-other-147.0-1.1 critical To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/security/cve/CVE-2026-0877.html CVE-2026-0877 https://bugzilla.suse.com/1256340 SUSE Bug 1256340 Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability affects Firefox < 147 and Firefox ESR < 140.7. CVE-2026-0878 openSUSE Tumbleweed:MozillaFirefox-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-branding-upstream-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-devel-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-translations-common-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-translations-other-147.0-1.1 critical To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/security/cve/CVE-2026-0878.html CVE-2026-0878 https://bugzilla.suse.com/1256340 SUSE Bug 1256340 Sandbox escape due to incorrect boundary conditions in the Graphics component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, and Firefox ESR < 140.7. CVE-2026-0879 openSUSE Tumbleweed:MozillaFirefox-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-branding-upstream-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-devel-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-translations-common-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-translations-other-147.0-1.1 critical To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/security/cve/CVE-2026-0879.html CVE-2026-0879 https://bugzilla.suse.com/1256340 SUSE Bug 1256340 Sandbox escape due to integer overflow in the Graphics component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, and Firefox ESR < 140.7. CVE-2026-0880 openSUSE Tumbleweed:MozillaFirefox-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-branding-upstream-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-devel-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-translations-common-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-translations-other-147.0-1.1 critical To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/security/cve/CVE-2026-0880.html CVE-2026-0880 https://bugzilla.suse.com/1256340 SUSE Bug 1256340 Sandbox escape in the Messaging System component. This vulnerability affects Firefox < 147. CVE-2026-0881 openSUSE Tumbleweed:MozillaFirefox-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-branding-upstream-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-devel-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-translations-common-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-translations-other-147.0-1.1 moderate To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/security/cve/CVE-2026-0881.html CVE-2026-0881 https://bugzilla.suse.com/1256340 SUSE Bug 1256340 Use-after-free in the IPC component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, and Firefox ESR < 140.7. CVE-2026-0882 openSUSE Tumbleweed:MozillaFirefox-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-branding-upstream-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-devel-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-translations-common-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-translations-other-147.0-1.1 critical To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/security/cve/CVE-2026-0882.html CVE-2026-0882 https://bugzilla.suse.com/1256340 SUSE Bug 1256340 Information disclosure in the Networking component. This vulnerability affects Firefox < 147 and Firefox ESR < 140.7. CVE-2026-0883 openSUSE Tumbleweed:MozillaFirefox-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-branding-upstream-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-devel-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-translations-common-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-translations-other-147.0-1.1 critical To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/security/cve/CVE-2026-0883.html CVE-2026-0883 https://bugzilla.suse.com/1256340 SUSE Bug 1256340 Use-after-free in the JavaScript Engine component. This vulnerability affects Firefox < 147 and Firefox ESR < 140.7. CVE-2026-0884 openSUSE Tumbleweed:MozillaFirefox-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-branding-upstream-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-devel-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-translations-common-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-translations-other-147.0-1.1 critical To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/security/cve/CVE-2026-0884.html CVE-2026-0884 https://bugzilla.suse.com/1256340 SUSE Bug 1256340 Use-after-free in the JavaScript: GC component. This vulnerability affects Firefox < 147 and Firefox ESR < 140.7. CVE-2026-0885 openSUSE Tumbleweed:MozillaFirefox-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-branding-upstream-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-devel-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-translations-common-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-translations-other-147.0-1.1 critical To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/security/cve/CVE-2026-0885.html CVE-2026-0885 https://bugzilla.suse.com/1256340 SUSE Bug 1256340 Incorrect boundary conditions in the Graphics component. This vulnerability affects Firefox < 147, Firefox ESR < 115.32, and Firefox ESR < 140.7. CVE-2026-0886 openSUSE Tumbleweed:MozillaFirefox-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-branding-upstream-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-devel-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-translations-common-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-translations-other-147.0-1.1 critical To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/security/cve/CVE-2026-0886.html CVE-2026-0886 https://bugzilla.suse.com/1256340 SUSE Bug 1256340 Clickjacking issue, information disclosure in the PDF Viewer component. This vulnerability affects Firefox < 147 and Firefox ESR < 140.7. CVE-2026-0887 openSUSE Tumbleweed:MozillaFirefox-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-branding-upstream-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-devel-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-translations-common-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-translations-other-147.0-1.1 critical To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/security/cve/CVE-2026-0887.html CVE-2026-0887 https://bugzilla.suse.com/1256340 SUSE Bug 1256340 Information disclosure in the XML component. This vulnerability affects Firefox < 147. CVE-2026-0888 openSUSE Tumbleweed:MozillaFirefox-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-branding-upstream-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-devel-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-translations-common-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-translations-other-147.0-1.1 moderate To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/security/cve/CVE-2026-0888.html CVE-2026-0888 https://bugzilla.suse.com/1256340 SUSE Bug 1256340 Denial-of-service in the DOM: Service Workers component. This vulnerability affects Firefox < 147. CVE-2026-0889 openSUSE Tumbleweed:MozillaFirefox-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-branding-upstream-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-devel-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-translations-common-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-translations-other-147.0-1.1 moderate To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/security/cve/CVE-2026-0889.html CVE-2026-0889 https://bugzilla.suse.com/1256340 SUSE Bug 1256340 Spoofing issue in the DOM: Copy & Paste and Drag & Drop component. This vulnerability affects Firefox < 147 and Firefox ESR < 140.7. CVE-2026-0890 openSUSE Tumbleweed:MozillaFirefox-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-branding-upstream-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-devel-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-translations-common-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-translations-other-147.0-1.1 critical To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/security/cve/CVE-2026-0890.html CVE-2026-0890 https://bugzilla.suse.com/1256340 SUSE Bug 1256340 Memory safety bugs present in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 147 and Firefox ESR < 140.7. CVE-2026-0891 openSUSE Tumbleweed:MozillaFirefox-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-branding-upstream-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-devel-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-translations-common-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-translations-other-147.0-1.1 critical To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/security/cve/CVE-2026-0891.html CVE-2026-0891 https://bugzilla.suse.com/1256340 SUSE Bug 1256340 Memory safety bugs present in Firefox 146 and Thunderbird 146. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 147. CVE-2026-0892 openSUSE Tumbleweed:MozillaFirefox-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-branding-upstream-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-devel-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-translations-common-147.0-1.1 openSUSE Tumbleweed:MozillaFirefox-translations-other-147.0-1.1 moderate To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/security/cve/CVE-2026-0892.html CVE-2026-0892 https://bugzilla.suse.com/1256340 SUSE Bug 1256340