Access of Resource Using Incompatible Type ('Type Confusion') Affecting thunderbird package, versions <0:68.4.1-2.el7_7


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.66% (81st percentile)

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  • Snyk IDSNYK-RHEL7-THUNDERBIRD-4910838
  • published26 Jul 2021
  • disclosed7 Jan 2020

Introduced: 7 Jan 2020

CVE-2019-17017  (opens in a new tab)
CWE-843  (opens in a new tab)

How to fix?

Upgrade RHEL:7 thunderbird to version 0:68.4.1-2.el7_7 or higher.
This issue was patched in RHSA-2020:0120.

NVD Description

Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

Due to a missing case handling object types, a type confusion vulnerability could occur, resulting in a crash. We presume that with enough effort that it could be exploited to run arbitrary code. This vulnerability affects Firefox ESR < 68.4 and Firefox < 72.

CVSS Scores

version 3.1