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.
History

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cve-icon MITRE Information

Status: PUBLISHED

Assigner: mozilla

Published: 2021-12-08T21:20:15

Updated: 2022-08-10T06:08:55

Reserved: 2021-11-08T00:00:00


Link: CVE-2021-43539

JSON object: View

cve-icon NVD Information

Status : Analyzed

Published: 2021-12-08T22:15:09.730

Modified: 2022-12-09T15:55:49.220


Link: CVE-2021-43539

JSON object: View

cve-icon Redhat Information

No data.

CWE