Improper Resource Shutdown or Release Affecting thunderbird package, versions [,140.12.1)[141.0.0,152.0.1)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.22% (13th percentile)

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  • Snyk IDSNYK-UNMANAGED-THUNDERBIRD-17740877
  • published1 Jul 2026
  • disclosed1 Jul 2026
  • creditUnknown

Introduced: 1 Jul 2026

CVE-2026-57962  (opens in a new tab)
CWE-404  (opens in a new tab)

How to fix?

Upgrade thunderbird to version 140.12.1, 152.0.1 or higher.

Overview

Affected versions of this package are vulnerable to Improper Resource Shutdown or Release via interaction with a malicious LDAP address-book server. An attacker can cause the client to consume excessive memory and crash by stashing arbitrarily large amounts of data during address-book autocomplete queries.

CVSS Base Scores

version 4.0
version 3.1