There was no limit to the number of HTTP/2 CONTINUATION frames that would be processed. A server could abuse this to create an Out of Memory condition in the browser. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.
{ "availability": "No subscription required", "binaries": [ { "binary_version": "125.0.2+build1-0ubuntu0.20.04.2", "binary_name": "firefox" }, { "binary_version": "125.0.2+build1-0ubuntu0.20.04.2", "binary_name": "firefox-dev" }, { "binary_version": "125.0.2+build1-0ubuntu0.20.04.2", "binary_name": "firefox-geckodriver" }, { "binary_version": "125.0.2+build1-0ubuntu0.20.04.2", "binary_name": "firefox-mozsymbols" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_version": "1:115.10.1+build1-0ubuntu0.20.04.1", "binary_name": "thunderbird" }, { "binary_version": "1:115.10.1+build1-0ubuntu0.20.04.1", "binary_name": "thunderbird-dev" }, { "binary_version": "1:115.10.1+build1-0ubuntu0.20.04.1", "binary_name": "thunderbird-gnome-support" }, { "binary_version": "1:115.10.1+build1-0ubuntu0.20.04.1", "binary_name": "thunderbird-mozsymbols" }, { "binary_version": "1:115.10.1+build1-0ubuntu0.20.04.1", "binary_name": "xul-ext-calendar-timezones" }, { "binary_version": "1:115.10.1+build1-0ubuntu0.20.04.1", "binary_name": "xul-ext-gdata-provider" }, { "binary_version": "1:115.10.1+build1-0ubuntu0.20.04.1", "binary_name": "xul-ext-lightning" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_version": "1:115.10.1+build1-0ubuntu0.22.04.1", "binary_name": "thunderbird" }, { "binary_version": "1:115.10.1+build1-0ubuntu0.22.04.1", "binary_name": "thunderbird-dev" }, { "binary_version": "1:115.10.1+build1-0ubuntu0.22.04.1", "binary_name": "thunderbird-gnome-support" }, { "binary_version": "1:115.10.1+build1-0ubuntu0.22.04.1", "binary_name": "thunderbird-mozsymbols" }, { "binary_version": "1:115.10.1+build1-0ubuntu0.22.04.1", "binary_name": "xul-ext-calendar-timezones" }, { "binary_version": "1:115.10.1+build1-0ubuntu0.22.04.1", "binary_name": "xul-ext-gdata-provider" }, { "binary_version": "1:115.10.1+build1-0ubuntu0.22.04.1", "binary_name": "xul-ext-lightning" } ] }