Access of Resource Using Incompatible Type ('Type Confusion') Affecting thunderbird package, versions <0:60.6.1-1.el7_6


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
59.08% (98th percentile)

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  • Snyk IDSNYK-RHEL7-THUNDERBIRD-4830311
  • published26 Jul 2021
  • disclosed22 Mar 2019

Introduced: 22 Mar 2019

CVE-2019-9813  (opens in a new tab)
CWE-843  (opens in a new tab)

How to fix?

Upgrade RHEL:7 thunderbird to version 0:60.6.1-1.el7_6 or higher.
This issue was patched in RHSA-2019:0681.

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.

Incorrect handling of proto mutations may lead to type confusion in IonMonkey JIT code and can be leveraged for arbitrary memory read and write. This vulnerability affects Firefox < 66.0.1, Firefox ESR < 60.6.1, and Thunderbird < 60.6.1.