Red Hat: CVE-2020-26959: CVE-2020-26959 Mozilla: Use-after-free in WebRequestService (Multiple Advisories)
7
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
11/30/2020
12/02/2020
12/01/2020
12/15/2023
Description
During browser shutdown, reference decrementing could have occured on a previously freed object, resulting in a use-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
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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