CVE-2016-2821
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Mozilla Firefox
PublishedJun 13, 2016
First seenJun 13, 2016
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v ≤ 46.0.1, 45.1.0, 45.1.1 | — |
| debian debian_linux | 8.0 | — |
| opensuse leap | 42.1 | — |
| opensuse opensuse | 13.1, 13.2 | — |
| canonical ubuntu_linux | 12.04, 14.04, 15.10, 16.04 | — |
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