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.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Firefox
Vendor
Mozilla
Product
Firefox
Platforms
Unknown
Default status
Unknown
Firefox · Scoped product and version facts
Version (version)
Status (status)
Version scheme (versionType)
Exclusive end (lessThan)
Inclusive end (lessThanOrEqual)
Status changes (at → status)
unspecified
affected
custom
97.0.2
Unavailable
None listed
Firefox ESR
Vendor
Mozilla
Product
Firefox ESR
Platforms
Unknown
Default status
Unknown
Firefox ESR · Scoped product and version facts
Version (version)
Status (status)
Version scheme (versionType)
Exclusive end (lessThan)
Inclusive end (lessThanOrEqual)
Status changes (at → status)
unspecified
affected
custom
91.6.1
Unavailable
None listed
Firefox for Android
Vendor
Mozilla
Product
Firefox for Android
Platforms
Unknown
Default status
Unknown
Firefox for Android · Scoped product and version facts