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Vulnerability record · CVE-2016-1962 · published 13 March 2016

CVE-2016-1962: Mozilla firefox vulnerability

Mozilla · Firefox

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.

9.8 CVSS 3.0 Critical EPSS 6.1% · top 6.8%
9.8CVSS 3.0 base score, v2 10.0
6.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
36References
17 Jun 2026Last modified by NVD

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

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00027.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00029.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00031.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00050.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00068.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00089.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00091.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00093.html
http://www.debian.org/security/2016/dsa-3510
http://www.debian.org/security/2016/dsa-3520
http://www.mozilla.org/security/announce/2016/mfsa2016-25.html Vendor Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html Third Party Advisory
http://www.securitytracker.com/id/1035215
http://www.ubuntu.com/usn/USN-2917-1
http://www.ubuntu.com/usn/USN-2917-2
http://www.ubuntu.com/usn/USN-2917-3
https://bugzilla.mozilla.org/show_bug.cgi?id=1240760 Issue Tracking
https://security.gentoo.org/glsa/201605-06
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00027.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00029.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00031.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00050.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00068.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00089.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00091.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00093.html
http://www.debian.org/security/2016/dsa-3510
http://www.debian.org/security/2016/dsa-3520
http://www.mozilla.org/security/announce/2016/mfsa2016-25.html Vendor Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html Third Party Advisory
http://www.securitytracker.com/id/1035215
http://www.ubuntu.com/usn/USN-2917-1
http://www.ubuntu.com/usn/USN-2917-2
http://www.ubuntu.com/usn/USN-2917-3
https://bugzilla.mozilla.org/show_bug.cgi?id=1240760 Issue Tracking
https://security.gentoo.org/glsa/201605-06

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2016-1962), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.