Use After Free The advisory has been revoked - it doesn't affect any version of package thunderbird  (opens in a new tab)


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EPSS
0.69% (71st percentile)

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  • Snyk IDSNYK-UBUNTU2004-THUNDERBIRD-581464
  • published2 Jun 2020
  • disclosed9 Jul 2020

Introduced: 2 Jun 2020

CVE-2020-12405  (opens in a new tab)
CWE-416  (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.

When browsing a malicious page, a race condition in our SharedWorkerService could occur and lead to a potentially exploitable crash. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.