Public Date:
1315578: CVE-2016-1962 Mozilla: Use-after-free when using multiple WebRTC data channels (MFSA 2016-25)

The MITRE CVE dictionary describes this issue as:

Use-after-free vulnerability in the mozilla::DataChannelConnection::Close function in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7 allows remote attackers to execute arbitrary code by leveraging mishandling of WebRTC data-channel connections.

Find out more about CVE-2016-1962 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

Base Score 6.8
Base Metrics AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 5 (firefox) RHSA-2016:0373 2016-03-09
Red Hat Enterprise Linux 7 (firefox) RHSA-2016:0373 2016-03-09
Red Hat Enterprise Linux 6 (firefox) RHSA-2016:0373 2016-03-09

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 7 thunderbird Not affected
Red Hat Enterprise Linux 6 thunderbird Not affected
Red Hat Enterprise Linux 5 thunderbird Not affected
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.


Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Dominique Hazaël-Massieux as the original reporter.

External References

Last Modified

CVE description copyright © 2017, The MITRE Corporation