CVE-2016-5283

high
Published 2016-09-22 · Modified 2026-05-06
CVSS v3
8.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v2
6.8
VIR risk
8.8

Description

Mozilla Firefox before 49.0 allows remote attackers to bypass the Same Origin Policy via a crafted fragment identifier in the SRC attribute of an IFRAME element, leading to insufficient restrictions on link-color information after a document is resized.

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-2016-5283

vendor Authored 2026-05-27

Vendor advisory: security@mozilla.org — http://www.mozilla.org/security/announce/2016/mfsa2016-85.html

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201609-22

OS impact

OSVersionStatusFixed in
arch archfixed49.0-1
debian debiansidfixed49.0-1
debian debianbookwormfixed0
debian debianbullseyefixed0
debian debianforkyfixed0
debian debiantrixiefixed0

Application impact

VendorProductVersionsFixed
mozillafirefox{"endIncluding":"48.0.2"}

References

CWEs

CWE-284

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