CVE-2023-6205 (published 2023-11-21T14:28:52.504Z)
It was possible to cause the use of a MessagePort after it had already been freed, which could potentially have led to an exploitable crash. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.
Affected products: Vendor: Mozilla
Product: Firefox
Versions: unspecified