A type check was missing when handling fonts in PDF.js, which would allow arbitrary JavaScript execution in the PDF.js context. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.
{ "availability": "No subscription required", "binaries": [ { "binary_version": "126.0+build2-0ubuntu0.20.04.1", "binary_name": "firefox" }, { "binary_version": "126.0+build2-0ubuntu0.20.04.1", "binary_name": "firefox-dev" }, { "binary_version": "126.0+build2-0ubuntu0.20.04.1", "binary_name": "firefox-geckodriver" }, { "binary_version": "126.0+build2-0ubuntu0.20.04.1", "binary_name": "firefox-mozsymbols" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_version": "1:115.11.0+build2-0ubuntu0.20.04.1", "binary_name": "thunderbird" }, { "binary_version": "1:115.11.0+build2-0ubuntu0.20.04.1", "binary_name": "thunderbird-dev" }, { "binary_version": "1:115.11.0+build2-0ubuntu0.20.04.1", "binary_name": "thunderbird-gnome-support" }, { "binary_version": "1:115.11.0+build2-0ubuntu0.20.04.1", "binary_name": "thunderbird-mozsymbols" }, { "binary_version": "1:115.11.0+build2-0ubuntu0.20.04.1", "binary_name": "xul-ext-calendar-timezones" }, { "binary_version": "1:115.11.0+build2-0ubuntu0.20.04.1", "binary_name": "xul-ext-gdata-provider" }, { "binary_version": "1:115.11.0+build2-0ubuntu0.20.04.1", "binary_name": "xul-ext-lightning" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_version": "1:115.11.0+build2-0ubuntu0.22.04.1", "binary_name": "thunderbird" }, { "binary_version": "1:115.11.0+build2-0ubuntu0.22.04.1", "binary_name": "thunderbird-dev" }, { "binary_version": "1:115.11.0+build2-0ubuntu0.22.04.1", "binary_name": "thunderbird-gnome-support" }, { "binary_version": "1:115.11.0+build2-0ubuntu0.22.04.1", "binary_name": "thunderbird-mozsymbols" }, { "binary_version": "1:115.11.0+build2-0ubuntu0.22.04.1", "binary_name": "xul-ext-calendar-timezones" }, { "binary_version": "1:115.11.0+build2-0ubuntu0.22.04.1", "binary_name": "xul-ext-gdata-provider" }, { "binary_version": "1:115.11.0+build2-0ubuntu0.22.04.1", "binary_name": "xul-ext-lightning" } ] }