CVE-2023-6205 Information

Description

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 < 115.5 and Thunderbird < 115.5.0.

Reference

https://bugzilla.mozilla.org/show_bug.cgi?id=1854076 https://www.mozilla.org/security/advisories/mfsa2023-49/ https://www.mozilla.org/security/advisories/mfsa2023-50/ https://www.mozilla.org/security/advisories/mfsa2023-52/