Performing garbage collection on re-declared JavaScript variables resulted in a user-after-poison, and a potentially exploitable crash. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.
References
Link | Resource |
---|---|
https://bugzilla.mozilla.org/show_bug.cgi?id=1675755 | Issue Tracking Permissions Required Vendor Advisory |
https://www.mozilla.org/security/advisories/mfsa2021-03/ | Release Notes Vendor Advisory |
https://www.mozilla.org/security/advisories/mfsa2021-04/ | Release Notes Vendor Advisory |
https://www.mozilla.org/security/advisories/mfsa2021-05/ | Release Notes Vendor Advisory |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: mozilla
Published: 2021-02-26T02:05:50
Updated: 2021-02-26T02:05:50
Reserved: 2021-01-13T00:00:00
Link: CVE-2021-23960
JSON object: View
NVD Information
Status : Analyzed
Published: 2021-02-26T03:15:13.917
Modified: 2021-03-03T20:52:57.660
Link: CVE-2021-23960
JSON object: View
Redhat Information
No data.
CWE