CVE-2016-2831

high
Published 2016-06-13 ยท 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 v4 NEW
โ€”
not yet in upstream
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
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

suse SUSE Affected 4 releases
VersionStatusFixed in
42.1 Affected โ€”
13.2 Affected โ€”
13.1 Affected โ€”
โ€” Affected โ€”
ubuntu Ubuntu Affected 4 releases
VersionStatusFixed in
16.04 Affected โ€”
15.10 Affected โ€”
14.04 Affected โ€”
12.04 Affected โ€”
debian Debian Mixed 6 releases
VersionStatusFixed in
trixie Fixed 45.2.0esr-1
sid Fixed 47.0-1
forky Fixed 45.2.0esr-1
bullseye Fixed 45.2.0esr-1
bookworm Fixed 45.2.0esr-1
8.0 Affected โ€”

Application impact

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

References

CWEs

CWE-254 CWE-284

Community-verified mitigations for this CVE will appear above when contributors publish them.

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