vulnerability

MFSA2016-85 Firefox: Security vulnerabilities fixed in Firefox 49 (CVE-2016-5274)

Try Surface Command

Back to search

Severity

CVSS

(AV:N/AC:L/Au:N/C:P/I:P/A:P)

Published

Sep 22, 2016

Added

Oct 25, 2016

Modified

Mar 27, 2026

Description

Use-after-free vulnerability in the nsFrameManager::CaptureFrameState function in Mozilla Firefox before 49.0, Firefox ESR 45.x before 45.4, and Thunderbird < 45.4 allows remote attackers to execute arbitrary code by leveraging improper interaction between restyling and the Web Animations model implementation.

Solution

mozilla-firefox-upgrade-49_0

References

CVE-2016-5274
https://attackerkb.com/topics/CVE-2016-5274
CWE-416
EUVD-EUVD-2016-6225
http://www.mozilla.org/security/announce/2016/mfsa2016-85.html
https://euvd.enisa.europa.eu/vulnerability/EUVD-2016-6225

Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.

Get report