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.
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Affected Vendors & Products
References
History
No history.
MITRE
Status: PUBLISHED
Assigner: mozilla
Published: 2021-02-26T02:05:50
Updated: 2024-08-03T19:14:09.953Z
Reserved: 2021-01-13T00:00:00
Link: CVE-2021-23960
Vulnrichment
No data.
NVD
Status : Modified
Published: 2021-02-26T03:15:13.917
Modified: 2024-11-21T05:52:06.457
Link: CVE-2021-23960
Redhat