Access of Resource Using Incompatible Type ('Type Confusion') Affecting firefox package, versions <0:60.7.0-1.el8_0


Severity

Recommended
critical

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
53.59% (98th percentile)

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  • Snyk IDSNYK-RHEL8-FIREFOX-3439717
  • published26 Jul 2021
  • disclosed22 May 2019

Introduced: 22 May 2019

CVE-2019-9816  (opens in a new tab)
CWE-843  (opens in a new tab)

How to fix?

Upgrade RHEL:8 firefox to version 0:60.7.0-1.el8_0 or higher.
This issue was patched in RHSA-2019:1269.

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.

A possible vulnerability exists where type confusion can occur when manipulating JavaScript objects in object groups, allowing for the bypassing of security checks within these groups. Note: this vulnerability has only been demonstrated with UnboxedObjects, which are disabled by default on all supported releases.. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.

CVSS Scores

version 3.1