description: The lifecycle of IPC Actors allows managed actors to outlive their manager actors; and the former must ensure that they are not attempting to use a dead actor they have a reference to. Such a check was omitted in WebGL, resulting in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 84.
problem types: Use-After-Free in WebGL
affected:
{
product: Firefox
vendor: Mozilla
versions:
lessThan: 84, status: affected, version: unspecified, versionType: custom
}