CVE-2016-1962

Mozilla: Use-after-free when using multiple WebRTC data channels (MFSA 2016-25)

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Severity

Critical

Red Hat Product Security

6.8

CVSS 2.0

Review impact separately from score.

Published · March 8, 2016

Updated · November 21, 2025

Description

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.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 2.0 · 6.8
AV:N/AC:M/Au:N/C:P/I:P/A:P

CWE-416 · Use After Free