CVE-2016-2831

high
Published 2016-06-13 · Modified 2026-05-06
CVSS v3
8.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:H
CVSS v2
5.8
VIR risk
8.8

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.

Predictions

Exploit likelihood
92%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2016-2831

vendor Authored 2026-05-27

Vendor advisory: security@mozilla.org — http://www.mozilla.org/security/announce/2016/mfsa2016-58.html

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2016-2831.html

OS impact

OSVersionStatusFixed in
suse slesaffected
debian debiansidfixed47.0-1
debian debianbookwormfixed45.2.0esr-1
debian debianbullseyefixed45.2.0esr-1
debian debianforkyfixed45.2.0esr-1
debian debiantrixiefixed45.2.0esr-1
ubuntu ubuntu12.04affected
ubuntu ubuntu14.04affected
ubuntu ubuntu15.10affected
ubuntu ubuntu16.04affected
debian debian8.0affected
suse suse42.1affected
suse suse13.1affected
suse suse13.2affected

Application impact

VendorProductVersionsFixed
mozilla mozillafirefox45.1.0
mozilla mozillafirefox45.1.1
mozilla mozillafirefox{"endIncluding":"46.0.1"}

References

CWEs

CWE-254 CWE-284

Verify integrity in audit chain (admin only). AS-IS.