Security Advisory

CVE-2020-26972

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2021-01-07 13:53:39

Last updated 2024-08-04 16:03:23

Assigner mozilla

State PUBLISHED

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.

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