Access of Resource Using Incompatible Type ('Type Confusion') Affecting thunderbird-debuginfo package, versions <0:68.9.0-1.amzn2


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
1.02% (59th percentile)

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  • Snyk IDSNYK-AMZN2-THUNDERBIRDDEBUGINFO-9727031
  • published17 Apr 2025
  • disclosed9 Jul 2020

Introduced: 9 Jul 2020

CVE-2020-12406  (opens in a new tab)
CWE-843  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 thunderbird-debuginfo to version 0:68.9.0-1.amzn2 or higher.
This issue was patched in ALAS2-2020-1468.

NVD Description

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

Mozilla Developer Iain Ireland discovered a missing type check during unboxed objects removal, resulting in a crash. We presume that with enough effort that it could be exploited to run arbitrary code. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.

CVSS Base Scores

version 3.1