Access of Uninitialized Pointer Affecting thunderbird package, versions [,153.0)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.29% (21st percentile)

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  • Snyk IDSNYK-UNMANAGED-THUNDERBIRD-18302617
  • published25 Jul 2026
  • disclosed21 Jul 2026
  • creditUnknown

Introduced: 21 Jul 2026

CVE-2026-16409  (opens in a new tab)
CWE-824  (opens in a new tab)

How to fix?

Upgrade thunderbird to version 153.0 or higher.

Overview

Affected versions of this package are vulnerable to Access of Uninitialized Pointer due to improper handling of pointers in the PSM component. An attacker can cause a crash or potentially execute arbitrary code by triggering the use of an invalid pointer.

CVSS Base Scores

version 4.0
version 3.1