MFSA2021-04 Firefox: Security Vulnerabilities fixed in Firefox ESR 78.7 (CVE-2021-23954)
7
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
01/26/2021
01/28/2021
01/27/2021
03/05/2021
Description
Using the new logical assignment operators in a JavaScript switch statement could have caused a type confusion, leading to a memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.
Solution(s)
- mozilla-firefox-esr-upgrade-78_7
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