Use After Free Affecting thunderbird package, versions <1:102.5.0-1


Severity

Recommended
0.0
critical
0
10

Snyk's Security Team recommends NVD's CVSS assessment. Learn more

Threat Intelligence

EPSS
1.06% (61st percentile)

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  • Snyk IDSNYK-ECHOLATEST-THUNDERBIRD-18319306
  • published26 Jul 2026
  • disclosed22 Dec 2022

Introduced: 22 Dec 2022

CVE-2022-45406  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Echo:latest thunderbird to version 1:102.5.0-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

If an out-of-memory condition occurred when creating a JavaScript global, a JavaScript realm may be deleted while references to it lived on in a BaseShape. This could lead to a use-after-free causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.

CVSS Base Scores

version 3.1