Access of Resource Using Incompatible Type ('Type Confusion') Affecting firefox package, versions <0:91.9.1-1.el8_6


Severity

Recommended
critical

Based on CentOS security rating.

Threat Intelligence

EPSS
1.98% (89th percentile)

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  • Snyk IDSNYK-CENTOS8-FIREFOX-2848976
  • published25 May 2022
  • disclosed20 May 2022

Introduced: 20 May 2022

CVE-2022-1802  (opens in a new tab)
CWE-843  (opens in a new tab)

How to fix?

Upgrade Centos:8 firefox to version 0:91.9.1-1.el8_6 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

If an attacker was able to corrupt the methods of an Array object in JavaScript via prototype pollution, they could have achieved execution of attacker-controlled JavaScript code in a privileged context. This vulnerability affects Firefox ESR < 91.9.1, Firefox < 100.0.2, Firefox for Android < 100.3.0, and Thunderbird < 91.9.1.

CVSS Scores

version 3.1