CVE-2016-2831

Name: CVE-2016-2831
Creator: NVD / NIST
Published: 2016-06-13T10:59:12.197+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.35%

Last modified Jun 17, 2026

CVE-2016-2831 is a vulnerability of currently unknown severity. Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2 do not ensure that the user approves the fullscreen and pointerlock settings, which allows remote attackers to cause a denial of service (UI outage), or conduct clickjacking or spoofing attacks, via a crafted web site.. EPSS estimates a 1.35% chance of exploitation in the next 30 days.

Description

Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2 do not ensure that the user approves the fullscreen and pointerlock settings, which allows remote attackers to cause a denial of service (UI outage), or conduct clickjacking or spoofing attacks, via a crafted web site.

Metrics

EPSS Probability

1.35%

67.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Canonical	Ubuntu Linux	12.04
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	15.10
Canonical	Ubuntu Linux	16.04
Mozilla	Firefox	45.1.0
Mozilla	Firefox	45.1.1
Debian	Debian Linux	8.0
Opensuse	Leap	42.1
Opensuse	Opensuse	13.1
Opensuse	Opensuse	13.2
Mozilla	Firefox	<= 46.0.1

References

http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00014.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00016.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00055.htmlMailing List, Third Party Advisory
http://www.debian.org/security/2016/dsa-3600Third Party Advisory
http://www.mozilla.org/security/announce/2016/mfsa2016-58.htmlVendor Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
http://www.securityfocus.com/bid/91075
http://www.securitytracker.com/id/1036057Third Party Advisory
http://www.ubuntu.com/usn/USN-2993-1Third Party Advisory
https://access.redhat.com/errata/RHSA-2016:1217Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1261933Issue Tracking, Permissions Required
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00014.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00016.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00055.htmlMailing List, Third Party Advisory
http://www.debian.org/security/2016/dsa-3600Third Party Advisory
http://www.mozilla.org/security/announce/2016/mfsa2016-58.htmlVendor Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
http://www.securityfocus.com/bid/91075
http://www.securitytracker.com/id/1036057Third Party Advisory
http://www.ubuntu.com/usn/USN-2993-1Third Party Advisory
https://access.redhat.com/errata/RHSA-2016:1217Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1261933Issue Tracking, Permissions Required

Timeline

Published: Jun 13, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-2831?

How severe is CVE-2016-2831?

Severity scoring for CVE-2016-2831 is pending analysis. The EPSS model estimates a 1.35% probability of exploitation in the next 30 days.

How do I fix CVE-2016-2831?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-2831?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST