CVE-2020-12405

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

When browsing a malicious page, a race condition in our SharedWorkerService could occur and lead to a potentially exploitable crash. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-362CWE-416

Affected software

No affected versions have been published.

Timeline

Published
Jul 9, 2020
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2020-12405: Medium severity, CVSS 5.3 | Vulnix