Red Hat: CVE-2021-23954: CVE-2021-23954 Mozilla: Type confusion when using logical assignment operators in JavaScript switch statements (Multiple Advisories)
7
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
01/27/2021
01/28/2021
01/28/2021
12/15/2023
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)
- redhat-upgrade-firefox
- redhat-upgrade-firefox-debuginfo
- redhat-upgrade-firefox-debugsource
- redhat-upgrade-thunderbird
- redhat-upgrade-thunderbird-debuginfo
- redhat-upgrade-thunderbird-debugsource
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