CVE-2016-2831

high

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.

References

Advisories
More

https://access.redhat.com/errata/RHSA-2016:1217

http://www.ubuntu.com/usn/USN-2993-1

http://www.securitytracker.com/id/1036057

http://www.debian.org/security/2016/dsa-3600

http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00055.html

http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00016.html

http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00014.html

https://bugzilla.mozilla.org/show_bug.cgi?id=1261933

http://www.securityfocus.com/bid/91075

http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html

http://www.mozilla.org/security/announce/2016/mfsa2016-58.html

Details

Source: Mitre, NVD

Published: 2016-06-13

Updated: 2025-04-12

Risk Information

CVSS v2

Base Score: 5.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:H

Severity: High

EPSS

EPSS: 0.00775