CVE-2018-18492

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

A use-after-free vulnerability can occur after deleting a selection element due to a weak reference to the select element in the options collection. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64.

Metrics

CVSS 3.0 9.8/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-416

Affected software

No affected versions have been published.

Timeline

Published
Feb 28, 2019
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2018-18492: Critical severity, CVSS 9.8 | Vulnix