Ubuntu: USN-2993-1 (CVE-2016-2821): Firefox vulnerabilities
7
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
06/09/2016
07/25/2018
06/09/2016
09/12/2020
Description
Use-after-free vulnerability in the mozilla::dom::Element class in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2, when contenteditable mode is enabled, allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) by triggering deletion of DOM elements that were created in the editor.
Solution(s)
- ubuntu-upgrade-firefox
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