Out-of-bounds Write Affecting thunderbird package, versions [,128.10.2)[130.0b1,138.0.2)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.05% (14th percentile)

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  • Snyk IDSNYK-UNMANAGED-THUNDERBIRD-10231775
  • published23 May 2025
  • disclosed17 May 2025
  • creditUnknown

Introduced: 17 May 2025

NewCVE-2025-4919  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade thunderbird to version 128.10.2, 138.0.2 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Write due to improper handling of array index sizes. An attacker can manipulate memory and access or alter data outside the intended buffer boundaries by confusing.

CVSS Base Scores

version 4.0
version 3.1