Out-of-Bounds Affecting thunderbird package, versions [,140.13)[141.0,153.0)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.39% (32nd percentile)

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  • Snyk IDSNYK-UNMANAGED-THUNDERBIRD-18302736
  • published25 Jul 2026
  • disclosed21 Jul 2026
  • creditUnknown

Introduced: 21 Jul 2026

CVE-2026-16368  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade thunderbird to version 140.13, 153.0 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-Bounds due to improper validation of input boundaries in the WebAssembly component. An attacker can execute arbitrary code or cause unexpected behavior by supplying specially crafted WebAssembly modules.

CVSS Base Scores

version 4.0
version 3.1