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_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",
"binary_version": "118.0.1+build1-0ubuntu0.20.04.1"
}
]
}