CVE-2018-5137: Infoleak

Published Mar 13, 2018
·
Updated

A legacy extension's non-contentaccessible, defined resources can be loaded by an arbitrary web page through script. This script does this by using a maliciously crafted path string to reference the resources. Note: this vulnerability does not affect WebExtensions.

Affected Software

6 affected componentsFixes available
Mozilla Firefox<59.0
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=17.10
Mozilla Firefox<59
59
debian/firefox
147.0.4-1

Event History

Mar 13, 2018
CVE Published
12:00 AM
Jun 11, 2018
CVE Published
via MITRE·09:00 PM
Data Sourced
via MITRE·09:00 PM
DescriptionWeakness
Data Sourced
via NVD·09:29 PM
DescriptionSeverityWeaknessAffected Software
Jan 11, 2024
Data Sourced
via Launchpad·11:06 PM
Description
Nov 26, 2025
Data Sourced
via Ubuntu·06:15 PM
RemedyDescriptionSeverityAffected Software
Feb 20, 2026
Data Sourced
via Debian·12:49 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is CVE-2018-5137?

CVE-2018-5137 is a vulnerability in Firefox where a legacy extension's non-contentaccessible, defined resources can be loaded by an arbitrary web page through script.

2

How does CVE-2018-5137 affect Firefox?

CVE-2018-5137 affects Firefox versions up to but excluding 59.0.

3

What is the severity of CVE-2018-5137?

CVE-2018-5137 has a severity rating of 7.5 (High).

4

How can I fix CVE-2018-5137 in Firefox?

To fix CVE-2018-5137, update Firefox to version 59.0 or higher.

5

Where can I find more information about CVE-2018-5137?

More information about CVE-2018-5137 can be found at the following references: [link1], [link2], [link3].

Contact

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