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CVE-2016-5283

Published: 22 September 2016

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.

Priority

Medium

Cvss 3 Severity Score

8.8

Score breakdown

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
precise
Released (49.0+build4-0ubuntu0.12.04.1)
trusty
Released (49.0+build4-0ubuntu0.14.04.1)
upstream
Released (49.0)
xenial
Released (49.0+build4-0ubuntu0.16.04.1)
yakkety
Released (49.0+build4-0ubuntu2)
thunderbird
Launchpad, Ubuntu, Debian
precise Not vulnerable

trusty Does not exist
(trusty was not-affected)
upstream Not vulnerable

xenial Not vulnerable

yakkety Not vulnerable

Severity score breakdown

Parameter Value
Base score 8.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H