Information Exposure The advisory has been revoked - it doesn't affect any version of package thunderbird  (opens in a new tab)


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EPSS
0.22% (45th percentile)

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  • Snyk IDSNYK-UBUNTU2004-THUNDERBIRD-595976
  • published29 Jul 2020
  • disclosed10 Aug 2020

Introduced: 29 Jul 2020

CVE-2020-15655  (opens in a new tab)
CWE-200  (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 redirected HTTP request which is observed or modified through a web extension could bypass existing CORS checks, leading to potential disclosure of cross-origin information. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.