When Web Render components were destructed, a race condition could have caused undefined behavior, and we presume that with enough effort may have been exploitable to run arbitrary code. This vulnerability affects Firefox < 88.0.1 and Firefox for Android < 88.1.3.
References
Link Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1704227 Permissions Required Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-20/ Release Notes Vendor Advisory
History

No history.

cve-icon MITRE Information

Status: PUBLISHED

Assigner: mozilla

Published: 2021-06-24T13:18:33

Updated: 2021-06-24T13:18:33

Reserved: 2021-04-01T00:00:00


Link: CVE-2021-29952

JSON object: View

cve-icon NVD Information

Status : Analyzed

Published: 2021-06-24T14:15:09.973

Modified: 2021-06-25T20:19:25.257


Link: CVE-2021-29952

JSON object: View

cve-icon Redhat Information

No data.

CWE