Out-of-bounds Read The advisory has been revoked - it doesn't affect any version of package thunderbird  (opens in a new tab)


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EPSS
0.3% (54th percentile)

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  • Snyk IDSNYK-UBUNTU2004-THUNDERBIRD-6075766
  • published22 Nov 2023
  • disclosed21 Nov 2023

Introduced: 21 Nov 2023

CVE-2023-6204  (opens in a new tab)
CWE-125  (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.

On some systems—depending on the graphics settings and drivers—it was possible to force an out-of-bounds read and leak memory data into the images created on the canvas element. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.