CVEvulnerability

CVE-2016-2821

7.5 HIGH Published 2016-06-13 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2016-06-13
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
7.5 HIGH — CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P

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.

Affected configurations

• mozilla firefox (<= 46.0.1) • mozilla firefox 45.1.0 • mozilla firefox 45.1.1 • debian debian linux 8.0 • opensuse leap 42.1 • opensuse opensuse 13.1 • opensuse opensuse 13.2 • canonical ubuntu linux 12.04 • canonical ubuntu linux 14.04 • canonical ubuntu linux 15.10 • canonical ubuntu linux 16.04

References