{"id":"CVE-2026-5734","aliases":["ALSA-2026:7671","ALSA-2026:7672","ALSA-2026:8052","ALSA-2026:8459","ALSA-2026:9345","ALSA-2026:9638","DEBIAN-CVE-2026-5734","EUVD-2026-19614","GHSA-qf82-86x2-7q23","MGASA-2026-0106","OESA-2026-1874","OESA-2026-1875","OESA-2026-1876","OESA-2026-1877","OESA-2026-1878","OESA-2026-2109","RHSA-2026:11805","RHSA-2026:11813","RHSA-2026:12264","RHSA-2026:13342","RHSA-2026:13412","RHSA-2026:13533","RHSA-2026:13582","RHSA-2026:13583","RHSA-2026:13596","RHSA-2026:13600","RHSA-2026:13665","RHSA-2026:13682","RHSA-2026:13683","RHSA-2026:13922","RHSA-2026:13977","RHSA-2026:14223","RHSA-2026:14303","RHSA-2026:15889","RHSA-2026:7671","RHSA-2026:7672","RHSA-2026:8052","RHSA-2026:8459","RHSA-2026:9345","RHSA-2026:9638","RLSA-2026:7671","RLSA-2026:7672","RLSA-2026:8052","RLSA-2026:8459","RLSA-2026:9345","RLSA-2026:9638","SUSE-SU-2026:1273-1","SUSE-SU-2026:1322-1","SUSE-SU-2026:1379-1","SUSE-SU-2026:21157-1","UBUNTU-CVE-2026-5734","openSUSE-SU-2026:10501-1","openSUSE-SU-2026:10503-1","openSUSE-SU-2026:10511-1","openSUSE-SU-2026:20486-1","openSUSE-SU-2026:20664-1"],"status":"published","title":"Memory safety bugs fixed in Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2","description":"Memory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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 was fixed in Firefox 149.0.2, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00342,"percentile":0.27939,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-120","CWE-787"],"published":"2026-04-07T12:43:14Z","modified":"2026-10-29T11:58:14Z","fixes":[{"ecosystem":"Debian:12","package":"firefox-esr","fixed_in":["140.9.1esr-1~deb12u1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"firefox-esr","fixed_in":["140.9.1esr-1~deb13u1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"firefox-esr","fixed_in":["140.9.1esr-1"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"thunderbird","fixed_in":["1:140.9.1esr-1~deb12u1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"thunderbird","fixed_in":["1:140.9.1esr-1~deb13u1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"thunderbird","fixed_in":["1:140.9.1esr-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"AlmaLinux:9","package":"firefox","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"140.9.1-1.el9_7.alma.1"}]}],"bundled":5},{"source":"osv","ecosystem":"AlmaLinux:9","package":"firefox-x11","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"140.9.1-1.el9_7.alma.1"}]}],"bundled":5},{"source":"osv","ecosystem":"AlmaLinux:10","package":"firefox","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"140.9.1-1.el10_1"}]}],"bundled":5},{"source":"osv","ecosystem":"AlmaLinux:8","package":"firefox","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"140.9.1-1.el8_10.alma.1"}]}],"bundled":5},{"source":"osv","ecosystem":"AlmaLinux:9","package":"thunderbird","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"140.9.1-1.el9_7.alma.1"}]}],"bundled":5},{"source":"osv","ecosystem":"AlmaLinux:8","package":"thunderbird","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"140.9.1-1.el8_10.alma.1"}]}],"bundled":5},{"source":"osv","ecosystem":"AlmaLinux:10","package":"thunderbird","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"140.9.1-1.el10_1.alma.1"}]}],"bundled":5},{"source":"osv","ecosystem":"Debian:12","package":"firefox-esr","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"140.9.1esr-1~deb12u1"}]}],"versions":["102.11.0esr-1","102.12.0esr-1","102.12.0esr-1~deb10u1","102.12.0esr-1~deb11u1","102.12.0esr-1~deb12u1","102.13.0esr-1","102.13.0esr-1~deb10u1","102.13.0esr-1~deb11u1","102.13.0esr-1~deb12u1","102.14.0esr-1~deb10u1","102.14.0esr-1~deb11u1","102.14.0esr-1~deb12u1","102.15.0esr-1~deb10u1","102.15.0esr-1~deb11u1","102.15.0esr-1~deb12u1","102.15.1esr-1~deb10u1","102.15.1esr-1~deb11u1","102.15.1esr-1~deb12u1","115.0.2esr-1","115.1.0esr-1","115.10.0esr-1","115.10.0esr-1~deb10u1","115.10.0esr-1~deb11u1","115.10.0esr-1~deb12u1","115.11.0esr-1","115.11.0esr-1~deb10u1","115.11.0esr-1~deb11u1","115.11.0esr-1~deb12u1","115.12.0esr-1","115.12.0esr-1~deb10u1","115.12.0esr-1~deb11u1","115.12.0esr-1~deb12u1","115.13.0esr-1","115.13.0esr-1~deb11u1","115.13.0esr-1~deb12u1","115.13.0esr-2","115.14.0esr-1","115.14.0esr-1~deb11u1","115.14.0esr-1~deb12u1","115.15.0esr-1","115.15.0esr-1~deb11u1","115.15.0esr-1~deb12u1","115.2.0esr-1","115.2.1esr-1","115.3.0esr-1","115.3.0esr-1~deb10u1","115.3.0esr-1~deb11u1","115.3.0esr-1~deb12u1","115.3.1esr-1~deb10u1","115.3.1esr-1~deb11u1","115.4.0esr-1","115.4.0esr-1~deb10u1","115.4.0esr-1~deb11u1","115.4.0esr-1~deb12u1","115.5.0esr-1","115.5.0esr-1~deb10u1","115.5.0esr-1~deb11u1","115.5.0esr-1~deb12u1","115.6.0esr-1","115.6.0esr-1~deb10u1","115.6.0esr-1~deb11u1","115.6.0esr-1~deb12u1","115.7.0esr-1","115.7.0esr-1~deb10u1","115.7.0esr-1~deb11u1","115.7.0esr-1~deb12u1","115.8.0esr-1","115.8.0esr-1~deb10u1","115.8.0esr-1~deb11u1","115.8.0esr-1~deb12u1","115.9.0esr-1","115.9.0esr-1~deb11u1","115.9.0esr-1~deb12u1","115.9.0esr-2","115.9.1esr-1","115.9.1esr-1~deb10u1","115.9.1esr-1~deb11u1","115.9.1esr-1~deb12u1","128.10.0esr-1","128.10.0esr-1~deb12u1","128.10.1esr-1","128.10.1esr-1~deb11u1","128.10.1esr-1~deb12u1","128.11.0esr-1","128.11.0esr-1~deb11u1","128.11.0esr-1~deb12u1","128.12.0esr-1","128.12.0esr-1~deb11u1","128.12.0esr-1~deb12u1","128.13.0esr-1","128.13.0esr-1~deb11u1","128.13.0esr-1~deb12u1","128.14.0esr-1","128.14.0esr-1~deb11u1","128.14.0esr-1~deb12u1","128.14.0esr-1~deb13u1","128.3.0esr-1","128.3.0esr-1~deb11u1","128.3.0esr-1~deb11u2","128.3.0esr-1~deb12u1","128.3.0esr-2","128.3.1esr-1","128.3.1esr-1~deb11u1","128.3.1esr-1~deb12u1","128.3.1esr-2","128.4.0esr-1","128.4.0esr-1~deb11u1","128.4.0esr-1~deb12u1","128.5.0esr-1","128.5.0esr-1~deb11u1","128.5.0esr-1~deb12u1","128.5.1esr-1","128.6.0esr-1","128.6.0esr-1~deb11u1","128.6.0esr-1~deb11u2","128.6.0esr-1~deb11u3","128.6.0esr-1~deb12u1","128.6.0esr-2","128.6.0esr-3","128.6.0esr-4","128.7.0esr-1","128.7.0esr-1~deb11u1",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/CVE-2026-6770","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6771","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6772","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6776","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6785","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-6786","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2026-5734","title":"Memory safety bugs fixed in Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2","description":"Memory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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 was fixed in Firefox 149.0.2, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1.","status":"published","published":"2026-04-07T12:43:14.833Z","modified":"2026-07-15T00:42:12.685Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-120","CWE-787"],"updated_at":"2026-11-02T13:39:27.849196Z"}],"euvd":[{"id":"EUVD-2026-19614","description":"Memory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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 was fixed in Firefox 149.0.2, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1.","status":"published","published":"2026-04-07T12:43:14Z","modified":"2026-07-15T00:42:12Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:19:56.918546Z"}],"ghsa":[{"id":"GHSA-qf82-86x2-7q23","title":"Memory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and...","description":"Memory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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 \u003c 149.0.2 and Firefox ESR \u003c 140.9.1.","status":"published","published":"2026-04-07T15:30:50Z","modified":"2026-06-30T03:37:12Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-120","CWE-787"],"updated_at":"2026-11-02T15:09:05.34707Z"}],"nvd":[{"id":"CVE-2026-5734","description":"Memory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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 was fixed in Firefox 149.0.2, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1.","status":"published","published":"2026-04-07T13:16:47.667Z","modified":"2026-10-23T23:10:00.157Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-787","CWE-120"],"updated_at":"2026-11-02T14:12:13.1424Z"}],"osv":[{"id":"DEBIAN-CVE-2026-5734","description":"Memory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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 was fixed in Firefox 149.0.2, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1.","status":"published","published":"2026-04-07T13:16:47.667Z","modified":"2026-10-24T09:47:29.341213885Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:57.590991Z"},{"id":"OESA-2026-1874","title":"firefox security update","description":"Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability. %if 0 %global moz_debug_prefix /lib/debug %global moz_debug_dir /lib/debug/ %global uname_m %(uname -m) %global symbols_file_name -.en-US.-%(uname.crashreporter-symbols.zip %global symbols_file_path /lib/debug//-.en-US.-%(uname.crashreporter-symbols.zip %global _find_debuginfo_opts -p /lib/debug//-.en-US.-%(uname.crashreporter-symbols.zip -o debugcrashreporter.list %global crashreporter_pkg_name mozilla-crashreporter--debuginfo\r\n\r\nSecurity Fix(es):\n\nMemory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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 \u0026lt; 149.0.2, Firefox ESR \u0026lt; 115.34.1, and Firefox ESR \u0026lt; 140.9.1.(CVE-2026-5731)\n\nIncorrect boundary conditions, integer overflow in the Graphics: Text component. This vulnerability affects Firefox \u0026lt; 149.0.2 and Firefox ESR \u0026lt; 140.9.1.(CVE-2026-5732)\n\nMemory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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 \u0026lt; 149.0.2 and Firefox ESR \u0026lt; 140.9.1.(CVE-2026-5734)","status":"published","published":"2026-04-11T11:10:53Z","modified":"2026-08-18T01:19:46.742942157Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:46.087701Z"},{"id":"OESA-2026-1875","title":"firefox security update","description":"Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability. %if 0 %global moz_debug_prefix /lib/debug %global moz_debug_dir /lib/debug/ %global uname_m %(uname -m) %global symbols_file_name -.en-US.-%(uname.crashreporter-symbols.zip %global symbols_file_path /lib/debug//-.en-US.-%(uname.crashreporter-symbols.zip %global _find_debuginfo_opts -p /lib/debug//-.en-US.-%(uname.crashreporter-symbols.zip -o debugcrashreporter.list %global crashreporter_pkg_name mozilla-crashreporter--debuginfo\r\n\r\nSecurity Fix(es):\n\nMemory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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 \u0026lt; 149.0.2, Firefox ESR \u0026lt; 115.34.1, and Firefox ESR \u0026lt; 140.9.1.(CVE-2026-5731)\n\nIncorrect boundary conditions, integer overflow in the Graphics: Text component. This vulnerability affects Firefox \u0026lt; 149.0.2 and Firefox ESR \u0026lt; 140.9.1.(CVE-2026-5732)\n\nMemory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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 \u0026lt; 149.0.2 and Firefox ESR \u0026lt; 140.9.1.(CVE-2026-5734)","status":"published","published":"2026-04-11T11:10:53Z","modified":"2026-08-18T01:19:46.15165727Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:46.087701Z"},{"id":"OESA-2026-1876","title":"firefox security update","description":"Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability. %if 0 %global moz_debug_prefix /lib/debug %global moz_debug_dir /lib/debug/ %global uname_m %(uname -m) %global symbols_file_name -.en-US.-%(uname.crashreporter-symbols.zip %global symbols_file_path /lib/debug//-.en-US.-%(uname.crashreporter-symbols.zip %global _find_debuginfo_opts -p /lib/debug//-.en-US.-%(uname.crashreporter-symbols.zip -o debugcrashreporter.list %global crashreporter_pkg_name mozilla-crashreporter--debuginfo\r\n\r\nSecurity Fix(es):\n\nMemory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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 \u0026lt; 149.0.2, Firefox ESR \u0026lt; 115.34.1, and Firefox ESR \u0026lt; 140.9.1.(CVE-2026-5731)\n\nIncorrect boundary conditions, integer overflow in the Graphics: Text component. This vulnerability affects Firefox \u0026lt; 149.0.2 and Firefox ESR \u0026lt; 140.9.1.(CVE-2026-5732)\n\nMemory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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 \u0026lt; 149.0.2 and Firefox ESR \u0026lt; 140.9.1.(CVE-2026-5734)","status":"published","published":"2026-04-11T11:10:53Z","modified":"2026-08-18T01:19:45.867964134Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:46.087701Z"},{"id":"OESA-2026-1877","title":"firefox security update","description":"Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability. %if 0 %global moz_debug_prefix /lib/debug %global moz_debug_dir /lib/debug/ %global uname_m %(uname -m) %global symbols_file_name -.en-US.-%(uname.crashreporter-symbols.zip %global symbols_file_path /lib/debug//-.en-US.-%(uname.crashreporter-symbols.zip %global _find_debuginfo_opts -p /lib/debug//-.en-US.-%(uname.crashreporter-symbols.zip -o debugcrashreporter.list %global crashreporter_pkg_name mozilla-crashreporter--debuginfo\r\n\r\nSecurity Fix(es):\n\nMemory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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 \u0026lt; 149.0.2, Firefox ESR \u0026lt; 115.34.1, and Firefox ESR \u0026lt; 140.9.1.(CVE-2026-5731)\n\nIncorrect boundary conditions, integer overflow in the Graphics: Text component. This vulnerability affects Firefox \u0026lt; 149.0.2 and Firefox ESR \u0026lt; 140.9.1.(CVE-2026-5732)\n\nMemory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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 \u0026lt; 149.0.2 and Firefox ESR \u0026lt; 140.9.1.(CVE-2026-5734)","status":"published","published":"2026-04-11T11:10:53Z","modified":"2026-08-18T01:19:47.065710066Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:46.087701Z"},{"id":"OESA-2026-1878","title":"firefox security update","description":"Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability. %if 0 %global moz_debug_prefix /lib/debug %global moz_debug_dir /lib/debug/ %global uname_m %(uname -m) %global symbols_file_name -.en-US.-%(uname.crashreporter-symbols.zip %global symbols_file_path /lib/debug//-.en-US.-%(uname.crashreporter-symbols.zip %global _find_debuginfo_opts -p /lib/debug//-.en-US.-%(uname.crashreporter-symbols.zip -o debugcrashreporter.list %global crashreporter_pkg_name mozilla-crashreporter--debuginfo\r\n\r\nSecurity Fix(es):\n\nMemory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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 \u0026lt; 149.0.2, Firefox ESR \u0026lt; 115.34.1, and Firefox ESR \u0026lt; 140.9.1.(CVE-2026-5731)\n\nIncorrect boundary conditions, integer overflow in the Graphics: Text component. This vulnerability affects Firefox \u0026lt; 149.0.2 and Firefox ESR \u0026lt; 140.9.1.(CVE-2026-5732)\n\nMemory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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 \u0026lt; 149.0.2 and Firefox ESR \u0026lt; 140.9.1.(CVE-2026-5734)","status":"published","published":"2026-04-11T11:10:53Z","modified":"2026-08-18T01:19:47.020343457Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:46.087701Z"},{"id":"OESA-2026-2109","title":"thunderbird security update","description":"Mozilla Thunderbird is a standalone mail and newsgroup client.\r\n\r\nSecurity Fix(es):\n\nSandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.(CVE-2026-2776)\n\nPrivilege escalation in the Netmonitor component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.(CVE-2026-2780)\n\nMemory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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 \u0026lt; 149.0.2, Firefox ESR \u0026lt; 115.34.1, and Firefox ESR \u0026lt; 140.9.1.(CVE-2026-5731)\n\nIncorrect boundary conditions, integer overflow in the Graphics: Text component. This vulnerability affects Firefox \u0026lt; 149.0.2 and Firefox ESR \u0026lt; 140.9.1.(CVE-2026-5732)\n\nMemory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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 \u0026lt; 149.0.2 and Firefox ESR \u0026lt; 140.9.1.(CVE-2026-5734)\n\nUse-after-free in the DOM: Core \u0026amp; HTML component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, and Firefox ESR 140.10.(CVE-2026-6746)\n\nUse-after-free vulnerability in the WebRTC component of Firefox. This vulnerability was fixed in Firefox 150 and Firefox ESR 140.10.(CVE-2026-6747)\n\nUninitialized memory in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 150 and Firefox ESR 140.10.(CVE-2026-6748)\n\nInformation disclosure due to uninitialized memory in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, and Firefox ESR 140.10.(CVE-2026-6749)\n\nPrivilege escalation vulnerability in the WebRender graphics component of Firefox browser. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, and Firefox ESR 140.10.(CVE-2026-6750)\n\nAn uninitialized memory vulnerability exists in the Audio/Video: Web Codecs component of Firefox browser. This vulnerability was fixed in Firefox 150 and Firefox ESR 140.10.(CVE-2026-6751)\n\nIncorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, and Firefox ESR 140.10.(CVE-2026-6752)\n\nIncorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.(CVE-2026-6753)\n\nA use-after-free vulnerability exists in the JavaScript Engine component of Mozilla Firefox. An attacker could potentially exploit this vulnerability to execute arbitrary code or cause the application to crash. This vulnerability has been fixed in Firefox 150, Firefox ESR 115.35, and Firefox ESR 140.10.(CVE-2026-6754)\n\nInvalid pointer in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.(CVE-2026-6757)\n\nA use-after-free vulnerability exists in the Widget: Cocoa component of Mozilla Firefox and Thunderbird. The vulnerability stems from the program referencing memory after it has been freed. An attacker could exploit this vulnerability to cause the application to crash, read unexpected values, or execute arbitrary code, thereby affecting the confidentiality, integrity, and availability of the system. This vulnerability affects Firefox versions up to 149 and corresponding versions of Thunderbird.(CVE-2026-6759)\n\nA privilege escalation vulnerability exists in the Networking component of Mozilla Firefox and Thunderbird. An attacker could potentially exploit this vulnerability to escalate privileges, which may lead to remote code execution, impacting confidentiality, integrity, and availability. This vulnerability affects Firefox versions up to 149 and corresponding versions of Thunderbird.(CVE-2026-6761)\n\nSpoofing issue in the DOM: Core \u0026amp; HTML component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.(CVE-2026-6762)\n\nA mitigation bypass vulnerability exists in the File Handling component of Mozilla Firefox and Thunderbird. This vulnerability could allow an attacker to bypass security mitigations, potentially impacting the confidentiality, integrity, and availability of the system. According to VulDB, this vulnerability is rated as critical. Affected versions include Firefox up to version 149, Firefox ESR prior to 140.10, Thunderbird up to version 149, and Thunderbird ESR prior to 140.10.(CVE-2026-6763)\n\nAn incorrect boundary condition vulnerability exists in the DOM (Document Object Model) \u0026apos;Device Interfaces\u0026apos; component of Mozilla Firefox and Thunderbird. This vulnerability is classified under CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer), which is a memory corruption issue. An attacker could potentially exploit this by tricking a user into visiting a specially crafted web page, causing the application to read from or write to a memory location outside the intended boundary of a buffer. This impacts the confidentiality, integrity, and availability of the affected system.(CVE-2026-6764)\n\nAn information disclosure vulnerability (CWE-200) exists in the Form Autofill component of Mozilla Firefox. This vulnerability could allow sensitive information to be exposed to unauthorized actors, posing a threat to data confidentiality. This vulnerability affects Firefox versions up to 149, Firefox ESR versions prior to 140.10, Thunderbird versions up to 149, and Thunderbird ESR versions prior to 140.10.(CVE-2026-6765)\n\nAn incorrect boundary condition vulnerability exists in the Network Security Services (NSS) library used by Mozilla Firefox, Firefox ESR, and Thunderbird. An attacker could exploit this vulnerability to read from or write to a memory location outside the intended boundary of a buffer, leading to memory corruption. This could result in application crashes, denial of service, or potentially arbitrary code execution, threatening confidentiality, integrity, and availability.(CVE-2026-6766)\n\nA security vulnerability exists in the Network Security Services (NSS) library used by Mozilla Firefox and Thunderbird. This vulnerability is rated as critical and could allow an attacker to remotely execute arbitrary code, thereby compromising the confidentiality, integrity, and availability of the system. Affected versions include Firefox up to 149 and earlier, as well as corresponding versions of Firefox ESR and Thunderbird.(CVE-2026-6767)\n\nA privilege escalation vulnerability exists in the Debugger component of Mozilla Firefox and Thunderbird. An attacker could potentially exploit this vulnerability to execute arbitrary code or escalate privileges on affected systems, impacting confidentiality, integrity, and availability. This vulnerability affects Firefox versions up to 149 and corresponding versions of Thunderbird.(CVE-2026-6769)\n\nA critical vulnerability exists in the Storage: IndexedDB component of Mozilla Firefox (web browser) and Thunderbird (mail client). An attacker could potentially exploit this vulnerability to execute remote code on affected systems, impacting confidentiality, integrity, and availability. This vulnerability affects Firefox versions up to 149, Firefox ESR versions prior to 140.10, Thunderbird versions up to 149, and Thunderbird ESR versions prior to 140.10.(CVE-2026-6770)\n\nA mitigation bypass vulnerability exists in the DOM (Document Object Model) security component of Mozilla Firefox and Thunderbird. This vulnerability affects Firefox versions up to 149, Firefox ESR versions prior to 140.10, Thunderbird versions up to 149, and Thunderbird ESR versions prior to 140.10. An attacker could potentially exploit this vulnerability to bypass certain security mechanisms, posing a threat to system integrity.(CVE-2026-6771)\n\nAn incorrect boundary conditions vulnerability (CWE-119) exists in the Network Security Services (NSS) library used by Mozilla Firefox. The vulnerability occurs when the product performs operations on a memory buffer, allowing it to read from or write to a memory location outside the intended boundary of the buffer, leading to memory corruption. This impacts confidentiality, integrity, and availability. Affected versions include Firefox up to 149, Firefox ESR prior to 115.35, Firefox ESR prior to 140.10, Thunderbird prior to 150, and Thunderbird prior to 140.10.(CVE-2026-6772)\n\nAn incorrect boundary conditions vulnerability exists in the WebRTC Networking component of Mozilla Firefox and Thunderbird. This vulnerability is classified as critical, with the root cause being CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer. An attacker could exploit this vulnerability to read from or write to a memory location outside the intended boundary of a buffer, leading to memory corruption. This impacts the confidentiality, integrity, and availability of the system. This vulnerability affects Firefox versions up to 149, Firefox ESR versions prior to 140.10, Thunderbird versions up to 149, and Thunderbird ESR versions prior to 140.10.(CVE-2026-6776)\n\nMemory safety bugs present in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. 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 was fixed in Firefox 150, Firefox ESR 115.35, and Firefox ESR 140.10.(CVE-2026-6785)\n\nMemory safety bugs present in Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149. 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 was fixed in Firefox 150 and Firefox ESR 140.10.(CVE-2026-6786)","status":"published","published":"2026-04-25T11:11:06Z","modified":"2026-08-18T01:19:56.439268018Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:46.087701Z"},{"id":"RHSA-2026:11805","title":"Red Hat Security Advisory: firefox security update","status":"published","published":"2026-04-30T10:10:50Z","modified":"2026-10-16T10:10:35Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:18.066978Z"},{"id":"RHSA-2026:11813","title":"Red Hat Security Advisory: thunderbird security update","status":"published","published":"2026-04-30T10:10:51Z","modified":"2026-10-16T10:10:36Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:18.066978Z"},{"id":"RHSA-2026:12264","title":"Red Hat Security Advisory: thunderbird security update","status":"published","published":"2026-05-01T10:22:37Z","modified":"2026-10-16T10:10:43Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:18.066978Z"},{"id":"RHSA-2026:13342","title":"Red Hat Security Advisory: thunderbird security update","status":"published","published":"2026-05-04T10:09:57Z","modified":"2026-10-16T10:10:50Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:18.066978Z"},{"id":"RHSA-2026:13412","title":"Red Hat Security Advisory: thunderbird security update","status":"published","published":"2026-05-05T10:11:45Z","modified":"2026-10-16T10:10:54Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:18.066978Z"},{"id":"RHSA-2026:13533","title":"Red Hat Security Advisory: thunderbird security update","status":"published","published":"2026-05-05T10:11:49Z","modified":"2026-10-16T10:10:58Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:18.066978Z"},{"id":"RHSA-2026:13582","title":"Red Hat Security Advisory: firefox security update","status":"published","published":"2026-05-05T10:11:54Z","modified":"2026-10-16T10:10:59Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:18.066978Z"},{"id":"RHSA-2026:13583","title":"Red Hat Security Advisory: firefox security update","status":"published","published":"2026-05-05T10:11:55Z","modified":"2026-10-16T10:10:59Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:18.066978Z"},{"id":"RHSA-2026:13596","title":"Red Hat Security Advisory: firefox security update","status":"published","published":"2026-05-05T10:11:55Z","modified":"2026-10-16T10:11:00Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:18.066978Z"},{"id":"RHSA-2026:13600","title":"Red Hat Security Advisory: firefox security update","status":"published","published":"2026-05-05T10:11:56Z","modified":"2026-10-16T10:11:00Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:18.066978Z"},{"id":"RHSA-2026:13665","title":"Red Hat Security Advisory: firefox security update","status":"published","published":"2026-05-06T10:05:28Z","modified":"2026-10-16T10:11:03Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:18.066978Z"},{"id":"RHSA-2026:13682","title":"Red Hat Security Advisory: firefox security update","status":"published","published":"2026-05-06T10:05:32Z","modified":"2026-10-16T10:11:05Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:18.066978Z"},{"id":"RHSA-2026:13683","title":"Red Hat Security Advisory: firefox security update","status":"published","published":"2026-05-06T10:05:32Z","modified":"2026-10-16T10:11:06Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:18.066978Z"},{"id":"RHSA-2026:13922","title":"Red Hat Security Advisory: firefox security update","status":"published","published":"2026-05-06T10:05:49Z","modified":"2026-10-16T10:11:12Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:18.520917Z"},{"id":"RHSA-2026:13977","title":"Red Hat Security Advisory: firefox security update","status":"published","published":"2026-05-07T10:07:44Z","modified":"2026-10-16T10:11:13Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:18.520917Z"},{"id":"RHSA-2026:14223","title":"Red Hat Security Advisory: thunderbird security update","status":"published","published":"2026-05-07T10:07:51Z","modified":"2026-10-16T10:11:15Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:18.520917Z"},{"id":"RHSA-2026:14303","title":"Red Hat Security Advisory: thunderbird security update","status":"published","published":"2026-05-07T10:07:54Z","modified":"2026-10-16T10:11:15Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:18.520917Z"},{"id":"RHSA-2026:15889","title":"Red Hat Security Advisory: thunderbird security update","status":"published","published":"2026-05-11T10:06:09Z","modified":"2026-10-16T10:11:26Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:18.520917Z"},{"id":"RHSA-2026:7671","title":"Red Hat Security Advisory: firefox security update","status":"published","published":"2026-04-13T10:07:21Z","modified":"2026-10-16T10:25:50Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:22.928316Z"},{"id":"RHSA-2026:7672","title":"Red Hat Security Advisory: firefox security update","status":"published","published":"2026-04-13T10:07:21Z","modified":"2026-10-16T10:25:51Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:22.928316Z"},{"id":"RHSA-2026:8052","title":"Red Hat Security Advisory: firefox security update","status":"published","published":"2026-04-15T10:10:25Z","modified":"2026-10-16T10:26:27Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:23.547034Z"},{"id":"RHSA-2026:8459","title":"Red Hat Security Advisory: thunderbird security update","status":"published","published":"2026-04-17T10:09:33Z","modified":"2026-10-16T10:27:37Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:23.547034Z"},{"id":"RHSA-2026:9345","title":"Red Hat Security Advisory: thunderbird security update","status":"published","published":"2026-04-22T10:11:21Z","modified":"2026-10-16T10:28:05Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:23.969672Z"},{"id":"RHSA-2026:9638","title":"Red Hat Security Advisory: thunderbird security update","status":"published","published":"2026-04-23T10:15:28Z","modified":"2026-10-16T10:28:12Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:23.969672Z"},{"id":"RLSA-2026:7671","title":"Important: firefox security update","description":"Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.\n\nSecurity Fix(es):\n\n* libpng: libpng: Arbitrary code execution due to use-after-free vulnerability (CVE-2026-33416)\n\n* libpng: libpng: Information disclosure and denial of service via out-of-bounds read/write in Neon palette expansion (CVE-2026-33636)\n\n* thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2 (CVE-2026-5734)\n\n* thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2 (CVE-2026-5731)\n\n* firefox: thunderbird: Incorrect boundary conditions, integer overflow in the Graphics: Text component (CVE-2026-5732)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","status":"published","published":"2026-04-15T12:03:53.750171Z","modified":"2026-04-15T12:30:27.225012Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:26.449929Z"},{"id":"RLSA-2026:7672","title":"Important: firefox security update","description":"Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.\n\nSecurity Fix(es):\n\n* libpng: libpng: Arbitrary code execution due to use-after-free vulnerability (CVE-2026-33416)\n\n* libpng: libpng: Information disclosure and denial of service via out-of-bounds read/write in Neon palette expansion (CVE-2026-33636)\n\n* thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2 (CVE-2026-5734)\n\n* thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2 (CVE-2026-5731)\n\n* firefox: thunderbird: Incorrect boundary conditions, integer overflow in the Graphics: Text component (CVE-2026-5732)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","status":"published","published":"2026-04-15T12:07:10.074197Z","modified":"2026-04-15T12:30:18.232229Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:26.449929Z"},{"id":"RLSA-2026:8052","title":"Important: firefox security update","description":"Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.\n\nSecurity Fix(es):\n\n* libpng: libpng: Arbitrary code execution due to use-after-free vulnerability (CVE-2026-33416)\n\n* libpng: libpng: Information disclosure and denial of service via out-of-bounds read/write in Neon palette expansion (CVE-2026-33636)\n\n* thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2 (CVE-2026-5734)\n\n* thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2 (CVE-2026-5731)\n\n* firefox: thunderbird: Incorrect boundary conditions, integer overflow in the Graphics: Text component (CVE-2026-5732)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","status":"published","published":"2026-04-16T12:00:34.288576Z","modified":"2026-04-16T12:30:13.29225Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:26.449929Z"},{"id":"RLSA-2026:8459","title":"Important: thunderbird security update","description":"Mozilla Thunderbird is a standalone mail and newsgroup client.\n\nSecurity Fix(es):\n\n* libpng: libpng: Arbitrary code execution due to use-after-free vulnerability (CVE-2026-33416)\n\n* libpng: libpng: Information disclosure and denial of service via out-of-bounds read/write in Neon palette expansion (CVE-2026-33636)\n\n* thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2 (CVE-2026-5734)\n\n* thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2 (CVE-2026-5731)\n\n* firefox: thunderbird: Incorrect boundary conditions, integer overflow in the Graphics: Text component (CVE-2026-5732)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","status":"published","published":"2026-04-19T00:04:03.62289Z","modified":"2026-04-19T00:30:20.372428Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:26.76659Z"},{"id":"RLSA-2026:9345","title":"Important: thunderbird security update","description":"Mozilla Thunderbird is a standalone mail and newsgroup client.\n\nSecurity Fix(es):\n\n* libpng: libpng: Arbitrary code execution due to use-after-free vulnerability (CVE-2026-33416)\n\n* libpng: libpng: Information disclosure and denial of service via out-of-bounds read/write in Neon palette expansion (CVE-2026-33636)\n\n* thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2 (CVE-2026-5734)\n\n* thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2 (CVE-2026-5731)\n\n* firefox: thunderbird: Incorrect boundary conditions, integer overflow in the Graphics: Text component (CVE-2026-5732)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","status":"published","published":"2026-04-23T12:01:08.67187Z","modified":"2026-04-23T12:30:20.903368Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:26.76659Z"},{"id":"RLSA-2026:9638","title":"Important: thunderbird security update","description":"Mozilla Thunderbird is a standalone mail and newsgroup client.\n\nSecurity Fix(es):\n\n* libpng: libpng: Arbitrary code execution due to use-after-free vulnerability (CVE-2026-33416)\n\n* libpng: libpng: Information disclosure and denial of service via out-of-bounds read/write in Neon palette expansion (CVE-2026-33636)\n\n* thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2 (CVE-2026-5734)\n\n* thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2 (CVE-2026-5731)\n\n* firefox: thunderbird: Incorrect boundary conditions, integer overflow in the Graphics: Text component (CVE-2026-5732)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","status":"published","published":"2026-04-24T12:06:29.039644Z","modified":"2026-04-24T12:30:13.443245Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:26.76659Z"},{"id":"UBUNTU-CVE-2026-5734","description":"Memory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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 was fixed in Firefox 149.0.2, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1.","status":"published","published":"2026-04-07T13:16:00Z","modified":"2026-06-30T18:18:02.000606818Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:56:41.911783Z"},{"id":"ALSA-2026:7671","title":"Important: firefox security update","description":"Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.  \n\nSecurity Fix(es):  \n\n  * libpng: libpng: Arbitrary code execution due to use-after-free vulnerability (CVE-2026-33416)\n  * libpng: libpng: Information disclosure and denial of service via out-of-bounds read/write in Neon palette expansion (CVE-2026-33636)\n  * thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2 (CVE-2026-5734)\n  * thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2 (CVE-2026-5731)\n  * firefox: thunderbird: Incorrect boundary conditions, integer overflow in the Graphics: Text component (CVE-2026-5732)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","status":"published","published":"2026-04-13T00:00:00Z","modified":"2026-10-29T11:32:37.776613682Z","updated_at":"2026-11-02T15:27:55.200553Z"},{"id":"ALSA-2026:7672","title":"Important: firefox security update","description":"Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.  \n\nSecurity Fix(es):  \n\n  * libpng: libpng: Arbitrary code execution due to use-after-free vulnerability (CVE-2026-33416)\n  * libpng: libpng: Information disclosure and denial of service via out-of-bounds read/write in Neon palette expansion (CVE-2026-33636)\n  * thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2 (CVE-2026-5734)\n  * thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2 (CVE-2026-5731)\n  * firefox: thunderbird: Incorrect boundary conditions, integer overflow in the Graphics: Text component (CVE-2026-5732)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","status":"published","published":"2026-04-13T00:00:00Z","modified":"2026-10-29T11:58:14.548234Z","updated_at":"2026-11-02T15:27:55.200553Z"},{"id":"ALSA-2026:8052","title":"Important: firefox security update","description":"Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.  \n\nSecurity Fix(es):  \n\n  * libpng: libpng: Arbitrary code execution due to use-after-free vulnerability (CVE-2026-33416)\n  * libpng: libpng: Information disclosure and denial of service via out-of-bounds read/write in Neon palette expansion (CVE-2026-33636)\n  * thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2 (CVE-2026-5734)\n  * thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2 (CVE-2026-5731)\n  * firefox: thunderbird: Incorrect boundary conditions, integer overflow in the Graphics: Text component (CVE-2026-5732)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","status":"published","published":"2026-04-14T00:00:00Z","modified":"2026-10-29T11:00:51.460461669Z","updated_at":"2026-11-02T15:27:55.200553Z"},{"id":"ALSA-2026:8459","title":"Important: thunderbird security update","description":"Mozilla Thunderbird is a standalone mail and newsgroup client.  \n\nSecurity Fix(es):  \n\n  * libpng: libpng: Arbitrary code execution due to use-after-free vulnerability (CVE-2026-33416)\n  * libpng: libpng: Information disclosure and denial of service via out-of-bounds read/write in Neon palette expansion (CVE-2026-33636)\n  * thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2 (CVE-2026-5734)\n  * thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2 (CVE-2026-5731)\n  * firefox: thunderbird: Incorrect boundary conditions, integer overflow in the Graphics: Text component (CVE-2026-5732)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","status":"published","published":"2026-04-16T00:00:00Z","modified":"2026-10-29T11:32:38.261944593Z","updated_at":"2026-11-02T15:27:55.200553Z"},{"id":"ALSA-2026:9345","title":"Important: thunderbird security update","description":"Mozilla Thunderbird is a standalone mail and newsgroup client.  \n\nSecurity Fix(es):  \n\n  * libpng: libpng: Arbitrary code execution due to use-after-free vulnerability (CVE-2026-33416)\n  * libpng: libpng: Information disclosure and denial of service via out-of-bounds read/write in Neon palette expansion (CVE-2026-33636)\n  * thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2 (CVE-2026-5734)\n  * thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2 (CVE-2026-5731)\n  * firefox: thunderbird: Incorrect boundary conditions, integer overflow in the Graphics: Text component (CVE-2026-5732)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","status":"published","published":"2026-04-21T00:00:00Z","modified":"2026-10-29T11:02:29.886411699Z","updated_at":"2026-11-02T15:27:57.367731Z"},{"id":"ALSA-2026:9638","title":"Important: thunderbird security update","description":"Mozilla Thunderbird is a standalone mail and newsgroup client.  \n\nSecurity Fix(es):  \n\n  * libpng: libpng: Arbitrary code execution due to use-after-free vulnerability (CVE-2026-33416)\n  * libpng: libpng: Information disclosure and denial of service via out-of-bounds read/write in Neon palette expansion (CVE-2026-33636)\n  * thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2 (CVE-2026-5734)\n  * thunderbird: firefox: Memory safety bugs fixed in Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2 (CVE-2026-5731)\n  * firefox: thunderbird: Incorrect boundary conditions, integer overflow in the Graphics: Text component (CVE-2026-5732)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","status":"published","published":"2026-04-22T00:00:00Z","modified":"2026-10-29T11:58:13.145597Z","updated_at":"2026-11-02T15:27:57.367731Z"},{"id":"MGASA-2026-0106","title":"Updated firefox \u0026 thunderbird packages fix security vulnerabilities","description":"Memory safety bugs fixed in Firefox ESR 115.34.1, Firefox ESR 140.9.1,\nThunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2.\n(CVE-2026-5731)\nIncorrect boundary conditions, integer overflow in the Graphics: Text\ncomponent. (CVE-2026-5732)\nMemory safety bugs fixed in Firefox ESR 140.9.1, Thunderbird ESR\n140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2. (CVE-2026-5734)\n","status":"published","published":"2026-04-21T02:11:49Z","modified":"2026-04-21T02:30:06.812694Z","updated_at":"2026-11-02T15:49:43.178336Z"},{"id":"openSUSE-SU-2026:10501-1","title":"MozillaThunderbird-140.9.1-1.1 on GA media","description":"These are all security issues fixed in the MozillaThunderbird-140.9.1-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-04-08T00:00:00Z","modified":"2026-04-09T08:00:22.095442Z","updated_at":"2026-11-02T16:58:38.415593Z"},{"id":"openSUSE-SU-2026:10503-1","title":"firefox-esr-140.9.1-1.1 on GA media","description":"These are all security issues fixed in the firefox-esr-140.9.1-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-04-08T00:00:00Z","modified":"2026-04-09T08:00:48.440948Z","updated_at":"2026-11-02T16:58:38.415593Z"},{"id":"openSUSE-SU-2026:10511-1","title":"MozillaFirefox-149.0.2-1.1 on GA media","description":"These are all security issues fixed in the MozillaFirefox-149.0.2-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-04-09T00:00:00Z","modified":"2026-04-10T09:46:11.85844Z","updated_at":"2026-11-02T16:58:38.415593Z"},{"id":"openSUSE-SU-2026:20486-1","title":"Security update for MozillaFirefox","description":"This update for MozillaFirefox fixes the following issues:\n\nUpdate to Firefox Extended Support Release 140.9.1 ESR (bsc#1261663).\n\n- MFSA 2026-27:\n  * CVE-2026-5731: memory safety bugs fixed in Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird ESR 140.9.1,\n    Firefox 149.0.2 and Thunderbird 149.0.2.\n  * CVE-2026-5732: incorrect boundary conditions, integer overflow in the Graphics: Text component.\n  * CVE-2026-5734: memory safety bugs fixed in Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and\n    Thunderbird 149.0.2.\n","status":"published","published":"2026-04-09T12:58:07Z","modified":"2026-04-22T18:26:37.450921Z","updated_at":"2026-11-02T16:58:41.463445Z"},{"id":"openSUSE-SU-2026:20664-1","title":"Security update for MozillaThunderbird","description":"This update for MozillaThunderbird fixes the following issues:\n\nChanges in MozillaThunderbird:\n\n- Mozilla Thunderbird 140.10.0 ESR\n  * Newly translated strings were not available in Thunderbird\n  MFSA 2026-34 (bsc#1262230)\n  * CVE-2026-6746 Use-after-free in the DOM: Core \u0026 HTML component\n  * CVE-2026-6747 Use-after-free in the WebRTC component\n  * CVE-2026-6748 Uninitialized memory in the Audio/Video: Web Codecs component\n  * CVE-2026-6749 Information disclosure due to uninitialized memory in the Graphics: Canvas2D component\n  * CVE-2026-6750 Privilege escalation in the Graphics: WebRender component\n  * CVE-2026-6751 Uninitialized memory in the Audio/Video: Web Codecs component\n  * CVE-2026-6752 Incorrect boundary conditions in the WebRTC component\n  * CVE-2026-6753 Incorrect boundary conditions in the WebRTC component\n  * CVE-2026-6754 Use-after-free in the JavaScript Engine component\n  * CVE-2026-6757 Invalid pointer in the JavaScript: WebAssembly component\n  * CVE-2026-6759 Use-after-free in the Widget: Cocoa component\n  * CVE-2026-6761 Privilege escalation in the Networking component\n  * CVE-2026-6762 Spoofing issue in the DOM: Core \u0026 HTML component\n  * CVE-2026-6763 Mitigation bypass in the File Handling component\n  * CVE-2026-6764 Incorrect boundary conditions in the DOM: Device Interfaces component\n  * CVE-2026-6765 Information disclosure in the Form Autofill component\n  * CVE-2026-6766 Incorrect boundary conditions in the Libraries component in NSS\n  * CVE-2026-6767 Other issue in the Libraries component in NSS\n  * CVE-2026-6769 Privilege escalation in the Debugger component\n  * CVE-2026-6770 Other issue in the Storage: IndexedDB component\n  * CVE-2026-6771 Mitigation bypass in the DOM: Security component\n  * CVE-2026-6772 Incorrect boundary conditions in the Libraries component in NSS\n  * CVE-2026-6776 Incorrect boundary conditions in the WebRTC: Networking component\n  * CVE-2026-6785 Memory safety bugs fixed in Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird ESR 140.10, Firefox 150 and Thunderbird 150\n  * CVE-2026-6786 Memory safety bugs fixed in Firefox ESR 140.10, Thunderbird ESR 140.10, Firefox 150 and Thunderbird 150\n\n- Mozilla Thunderbird 140.9.1 ESR\n  MFSA 2026-29\n  * CVE-2026-5732 Incorrect boundary conditions, integer overflow in the Graphics: Text component\n  * CVE-2026-5731 Memory safety bugs fixed in Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2\n  * CVE-2026-5734 Memory safety bugs fixed in Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2\n\n- Mozilla Thunderbird 140.9.0 ESR\n  MFSA 2026-24 (bsc#1260083)\n  * CVE-2026-3889 Spoofing issue in Thunderbird\n  * CVE-2026-4371 Out of bounds read in IMAP parsing\n  * CVE-2026-4684 Race condition, use-after-free in the Graphics: WebRender component\n  * CVE-2026-4685 Incorrect boundary conditions in the Graphics: Canvas2D component\n  * CVE-2026-4686 Incorrect boundary conditions in the Graphics: Canvas2D component\n  * CVE-2026-4687 Sandbox escape due to incorrect boundary conditions in the Telemetry component\n  * CVE-2026-4688 Sandbox escape due to use-after-free in the Disability Access APIs component\n  * CVE-2026-4689 Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component\n  * CVE-2026-4690 Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component\n  * CVE-2026-4691 Use-after-free in the CSS Parsing and Computation component\n  * CVE-2026-4692 Sandbox escape in the Responsive Design Mode component\n  * CVE-2026-4693 Incorrect boundary conditions in the Audio/Video: Playback component\n  * CVE-2026-4694 Incorrect boundary conditions, integer overflow in the Graphics component\n  * CVE-2026-4695 Incorrect boundary conditions in the Audio/Video: Web Codecs component\n  * CVE-2026-4696 Use-after-free in the Layout: Text and Fonts component\n  * CVE-2026-4697 Incorrect boundary conditions in the Audio/Video: Web Codecs component\n  * CVE-2026-4698 JIT miscompilation in the JavaScript Engine: JIT component\n  * CVE-2026-4699 Incorrect boundary conditions in the Layout: Text and Fonts component\n  * CVE-2026-4700 Mitigation bypass in the Networking: HTTP component\n  * CVE-2026-4701 Use-after-free in the JavaScript Engine component\n  * CVE-2026-4702 JIT miscompilation in the JavaScript Engine component\n  * CVE-2026-4704 Denial-of-service in the WebRTC: Signaling component\n  * CVE-2026-4705 Undefined behavior in the WebRTC: Signaling component\n  * CVE-2026-4706 Incorrect boundary conditions in the Graphics: Canvas2D component\n  * CVE-2026-4707 Incorrect boundary conditions in the Graphics: Canvas2D component\n  * CVE-2026-4708 Incorrect boundary conditions in the Graphics component\n  * CVE-2026-4709 Incorrect boundary conditions in the Audio/Video: GMP component\n  * CVE-2026-4710 Incorrect boundary conditions in the Audio/Video component\n  * CVE-2026-4711 Use-after-free in the Widget: Cocoa component\n  * CVE-2026-4712 Information disclosure in the Widget: Cocoa component\n  * CVE-2026-4713 Incorrect boundary conditions in the Graphics component\n  * CVE-2026-4714 Incorrect boundary conditions in the Audio/Video component\n  * CVE-2026-4715 Uninitialized memory in the Graphics: Canvas2D component\n  * CVE-2026-4716 Incorrect boundary conditions, uninitialized memory in the JavaScript Engine component\n  * CVE-2026-4717 Privilege escalation in the Netmonitor component\n  * CVE-2025-59375 Denial-of-service in the XML component\n  * CVE-2026-4718 Undefined behavior in the WebRTC: Signaling component\n  * CVE-2026-4719 Incorrect boundary conditions in the Graphics: Text component\n  * CVE-2026-4720 Memory safety bugs fixed in Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149\n  * CVE-2026-4721 Memory safety bugs fixed in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149\n","status":"published","published":"2026-05-01T17:00:28Z","modified":"2026-05-05T07:47:10.888728Z","updated_at":"2026-11-02T16:58:41.463445Z"}]},"sources_more":{"osv":4}}