Out-of-bounds Write The advisory has been revoked - it doesn't affect any version of package thunderbird  (opens in a new tab)


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EPSS
0.44% (63rd percentile)

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  • Snyk IDSNYK-UBUNTU2004-THUNDERBIRD-6133705
  • published21 Dec 2023
  • disclosed19 Dec 2023

Introduced: 19 Dec 2023

CVE-2023-6861  (opens in a new tab)
CWE-787  (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 nsWindow::PickerOpen(void) method was susceptible to a heap buffer overflow when running in headless mode. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.