Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC occurring within the call not tracing those live pointers. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Metrics
Affected Vendors & Products
References
History
No history.
MITRE
Status: PUBLISHED
Assigner: mozilla
Published: 2021-12-08T21:20:15
Updated: 2024-08-04T04:03:06.894Z
Reserved: 2021-11-08T00:00:00
Link: CVE-2021-43539
Vulnrichment
No data.
NVD
Status : Modified
Published: 2021-12-08T22:15:09.730
Modified: 2024-11-21T06:29:23.167
Link: CVE-2021-43539
Redhat