Access of Resource Using Incompatible Type ('Type Confusion') Affecting thunderbird package, versions <0:60.6.1-1.amzn2.0.1


Severity

Recommended
critical

Based on Amazon Linux security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
59.08% (98th percentile)

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  • Snyk IDSNYK-AMZN2-THUNDERBIRD-1669891
  • published27 Sept 2021
  • disclosed26 Apr 2019

Introduced: 26 Apr 2019

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

How to fix?

Upgrade Amazon-Linux:2 thunderbird to version 0:60.6.1-1.amzn2.0.1 or higher.
This issue was patched in ALAS2-2019-1195.

NVD Description

Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 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.