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


Severity

Recommended
critical

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.21% (60th percentile)

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  • Snyk IDSNYK-RHEL8-FIREFOX-2848981
  • published25 May 2022
  • disclosed20 May 2022

Introduced: 20 May 2022

CVE-2022-1529  (opens in a new tab)
CWE-843  (opens in a new tab)

How to fix?

Upgrade RHEL:8 firefox to version 0:91.9.1-1.el8_6 or higher.
This issue was patched in RHSA-2022:4776.

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:8 relevant fixed versions and status.

An attacker could have sent a message to the parent process where the contents were used to double-index into a JavaScript object, leading to prototype pollution and ultimately attacker-controlled JavaScript executing in the privileged parent process. 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