Homepage

Use After Free Affecting firefox package, versions <0:52.4.0-1.el7_4

Severity

 Recommended
0.0
critical
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.41% (74th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Use After Free vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-RHEL7-FIREFOX-4756254
  • published26 Jul 2021
  • disclosed28 Sept 2017
Report a new vulnerability Found a mistake?

Introduced: 28 Sep 2017

CVE-2017-7819  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:7 firefox to version 0:52.4.0-1.el7_4 or higher.
This issue was patched in RHSA-2017:2831.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

A use-after-free vulnerability can occur in design mode when image objects are resized if objects referenced during the resizing have been freed from memory. This results in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.