In canvas rendering, a compromised content process could have caused a surface to change unexpectedly, leading to a memory leak of a privileged process. This memory leak could be used to effect a sandbox escape if the correct data was leaked. This vulnerability affects Firefox < 118.
{ "availability": "No subscription required", "binaries": [ { "binary_version": "118.0.1+build1-0ubuntu0.20.04.1", "binary_name": "firefox" }, { "binary_version": "118.0.1+build1-0ubuntu0.20.04.1", "binary_name": "firefox-dev" }, { "binary_version": "118.0.1+build1-0ubuntu0.20.04.1", "binary_name": "firefox-geckodriver" }, { "binary_version": "118.0.1+build1-0ubuntu0.20.04.1", "binary_name": "firefox-mozsymbols" } ] }