Use After Free Affecting thunderbird package, versions [,115.6)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.17% (55th percentile)

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  • Snyk IDSNYK-UNMANAGED-THUNDERBIRD-6133257
  • published20 Dec 2023
  • disclosed19 Dec 2023
  • creditIrvan Kurniawan

Introduced: 19 Dec 2023

CVE-2023-6859  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade thunderbird to version 115.6 or higher.

Overview

Affected versions of this package are vulnerable to Use After Free via the PR_GetIdentitiesLayer process. An attacker can cause a program to crash or potentially execute arbitrary code by triggering a use-after-free condition during TLS socket creation under memory pressure.

CVSS Scores

version 3.1