When aborting an operation, such as a fetch, an abort signal may be deleted while alerting the objects to be notified. This results in a use-after-free and we presume that with enough effort it could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 68.12 and Thunderbird < 68.12.
References
Link Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1656957 Issue Tracking Permissions Required Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-37/ Release Notes Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-40/ Release Notes Vendor Advisory
History

No history.

cve-icon MITRE Information

Status: PUBLISHED

Assigner: mozilla

Published: 2020-10-01T18:42:09

Updated: 2020-10-01T18:42:09

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


Link: CVE-2020-15669

JSON object: View

cve-icon NVD Information

Status : Analyzed

Published: 2020-10-01T19:15:13.407

Modified: 2020-10-02T19:02:26.757


Link: CVE-2020-15669

JSON object: View

cve-icon Redhat Information

No data.

CWE