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CVE-2016-9899

CriticalPublished

Use-after-free while manipulating DOM events and removing audio elements due to errors in the handling of node adoption. This vulnerability affects Firefox...

Published: Jun 11, 2018
Updated: Aug 6, 2024
Assigning CNA: mozilla
Evidence observed: Jan 13, 2017

Primary CVSS

9.8/ 10Critical

nvd · CVSS 3.0

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS probability estimate

21.1%

Moderate · next 30 days

Percentile: 97.5%
Model date: Oct 12, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Use-after-free while manipulating DOM events and removing audio elements due to errors in the handling of node adoption. This vulnerability affects Firefox < 50.1, Firefox ESR < 45.6, and Thunderbird < 45.6.

Sources

Mozilla Firefox < 50.1.0 - Use-After-FreeExploit
Marcin Ressel · windows · Jan 13, 2017

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