Insufficient Verification of Data Authenticity The advisory has been revoked - it doesn't affect any version of package thunderbird  (opens in a new tab)


Threat Intelligence

EPSS
0.22% (45th percentile)

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  • Snyk IDSNYK-UBUNTU2004-THUNDERBIRD-1252124
  • published20 Apr 2021
  • disclosed24 Jun 2021

Introduced: 20 Apr 2021

CVE-2021-23998  (opens in a new tab)
CWE-345  (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.

Through complicated navigations with new windows, an HTTP page could have inherited a secure lock icon from an HTTPS page. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.