Information Exposure Affecting thunderbird package, versions [,140.14)[141.0,153.1)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.43% (36th percentile)

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  • Snyk IDSNYK-UNMANAGED-THUNDERBIRD-19427585
  • published29 Aug 2026
  • disclosed18 Aug 2026
  • creditUnknown

Introduced: 18 Aug 2026

NewCVE-2026-74945  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade thunderbird to version 140.14, 153.1 or higher.

Overview

Affected versions of this package are vulnerable to Information Exposure in the Graphics: Text component. An attacker can obtain sensitive information by leveraging crafted web content to trigger unintended data exposure.

CVSS Base Scores

version 4.0
version 3.1