vulnerability
Oracle Linux: CVE-2020-26959: ELSA-2020-5235: thunderbird security update (IMPORTANT) (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:P/I:P/A:P) | Nov 17, 2020 | Dec 1, 2020 | Dec 3, 2025 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Nov 17, 2020
Added
Dec 1, 2020
Modified
Dec 3, 2025
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.
Solutions
oracle-linux-upgrade-firefoxoracle-linux-upgrade-thunderbird
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