Use After Free Affecting firefox package, versions <0:52.4.0-1.0.1.el7_4


Severity

Recommended
0.0
critical
0
10

Based on Oracle Linux security rating

    Threat Intelligence

    EPSS
    0.52% (78th percentile)

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  • Snyk ID SNYK-ORACLE7-FIREFOX-2517488
  • published 10 Apr 2022
  • disclosed 11 Jun 2018

How to fix?

Upgrade Oracle:7 firefox to version 0:52.4.0-1.0.1.el7_4 or higher.
This issue was patched in ELSA-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 Oracle. See How to fix? for Oracle:7 relevant fixed versions and status.

A use-after-free vulnerability can occur in the Fetch API when the worker or the associated window are freed when still in use, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.