CVE-2016-5283: High severity firefox vulnerability

Published Sep 20, 2016
·
Updated

A timing attack vulnerability using iframes to potentially reveal private data using document resizes and link colors.

Other sources

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.

Launchpad

Affected Software

4 affected componentsFixes available
Mozilla Firefox<49
49
Mozilla Firefox<=48.0.2
debian/firefox
136.0.3-1
debian/firefox-esr
115.14.0esr-1~deb11u1128.8.0esr-1~deb11u1128.8.0esr-1~deb12u1128.8.0esr-1

Event History

Sep 20, 2016
CVE Published
12:00 AM
Sep 22, 2016
CVE Published
via MITRE·10:00 PM
Data Sourced
via MITRE·10:00 PM
Description
Jan 11, 2024
Data Sourced
via Launchpad·10:20 PM
Description
Sep 24, 2024
Data Sourced
via Ubuntu·01:14 AM
RemedyDescriptionSeverityAffected Software
Mar 31, 2025
Data Sourced
via Debian·03:26 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is CVE-2016-5283?

CVE-2016-5283 is a timing attack vulnerability in Mozilla Firefox before version 49.0 that allows remote attackers to bypass the Same Origin Policy.

2

How does CVE-2016-5283 work?

CVE-2016-5283 works by using a crafted fragment identifier in the SRC attribute of an IFRAME element to bypass Same Origin Policy restrictions.

3

What is the severity of CVE-2016-5283?

The severity of CVE-2016-5283 is high, with a CVSS score of 8.8.

4

How can I fix CVE-2016-5283?

To fix CVE-2016-5283, update Mozilla Firefox to version 49.0 or later.

5

Where can I find more information about CVE-2016-5283?

More information about CVE-2016-5283 can be found in the following references: [link1], [link2], [link3]

Contact

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