Description
An unexpected message in the WebGPU IPC framework could lead to a use-after-free and exploitable sandbox escape. We have had reports of attacks in the wild abusing this flaw. This vulnerability affects Firefox < 97.0.2, Firefox ESR < 91.6.1, Firefox for Android < 97.3.0, Thunderbird < 91.6.2, and Focus < 97.3.0.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Affected products
- Mozilla / Firefoxunspecified – 97.0.2
- Mozilla / Firefox ESRunspecified – 91.6.1
- Mozilla / Firefox for Androidunspecified – 97.3.0
- Mozilla / Focusunspecified – 97.3.0
- Mozilla / Thunderbirdunspecified – 91.6.2