When multiple WASM threads had a reference to a module, and were looking up exported functions, one WASM thread could have overwritten another's entry in a shared stub table, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 82.
References
Link Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1666568 Issue Tracking Permissions Required Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-45/ Release Notes Vendor Advisory
History

No history.

cve-icon MITRE Information

Status: PUBLISHED

Assigner: mozilla

Published: 2020-10-22T20:32:37

Updated: 2020-10-22T20:32:37

Reserved: 2020-07-10T00:00:00


Link: CVE-2020-15681

JSON object: View

cve-icon NVD Information

Status : Analyzed

Published: 2020-10-22T21:15:13.340

Modified: 2020-10-30T12:58:49.277


Link: CVE-2020-15681

JSON object: View

cve-icon Redhat Information

No data.