Access of Resource Using Incompatible Type ('Type Confusion') Affecting firefox package, versions <0:60.7.2-1.el7_6


Severity

Recommended
critical

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
68.64% (99th percentile)

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  • Snyk IDSNYK-RHEL7-FIREFOX-4921908
  • published26 Jul 2021
  • disclosed19 Jun 2019

Introduced: 19 Jun 2019

CVE-2019-11707  (opens in a new tab)
CWE-843  (opens in a new tab)

How to fix?

Upgrade RHEL:7 firefox to version 0:60.7.2-1.el7_6 or higher.
This issue was patched in RHSA-2019:1603.

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 type confusion vulnerability can occur when manipulating JavaScript objects due to issues in Array.pop. This can allow for an exploitable crash. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Firefox ESR < 60.7.1, Firefox < 67.0.3, and Thunderbird < 60.7.2.

CVSS Scores

version 3.1