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.
[
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "118",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]