Incorrect Calculation The advisory has been revoked - it doesn't affect any version of package thunderbird  (opens in a new tab)


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EPSS
0.41% (61st percentile)

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  • Snyk IDSNYK-UBUNTU2004-THUNDERBIRD-1253570
  • published23 Apr 2021
  • disclosed24 Jun 2021

Introduced: 23 Apr 2021

CVE-2021-29945  (opens in a new tab)
CWE-682  (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.

The WebAssembly JIT could miscalculate the size of a return type, which could lead to a null read and result in a crash. Note: This issue only affected x86-32 platforms. Other platforms are unaffected.. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.