Incorrect Type Conversion or Cast The advisory has been revoked - it doesn't affect any version of package thunderbird  (opens in a new tab)


Threat Intelligence

EPSS
42.07% (98th percentile)

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  • Snyk IDSNYK-UBUNTU2004-THUNDERBIRD-576739
  • published9 Oct 2018
  • disclosed18 Oct 2018

Introduced: 9 Oct 2018

CVE-2018-12386  (opens in a new tab)
CWE-704  (opens in a new tab)

Amendment

The Ubuntu security team deemed this advisory irrelevant for Ubuntu:20.04.

NVD Description

Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by Ubuntu.

A vulnerability in register allocation in JavaScript can lead to type confusion, allowing for an arbitrary read and write. This leads to remote code execution inside the sandboxed content process when triggered. This vulnerability affects Firefox ESR < 60.2.2 and Firefox < 62.0.3.