Out-of-bounds Read Affecting thunderbird package, versions <1:115.5.0-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.13% (49th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-THUNDERBIRD-6070726
  • 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)

How to fix?

Upgrade Debian:unstable thunderbird to version 1:115.5.0-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

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.

CVSS Scores

version 3.1