CVE-2019-9795

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

A vulnerability where type-confusion in the IonMonkey just-in-time (JIT) compiler could potentially be used by malicious JavaScript to trigger a potentially exploitable crash. This vulnerability affects Thunderbird < 60.6, Firefox ESR < 60.6, and Firefox < 66.

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-617 CWE-843

Affected software

No affected versions have been published.

Timeline

Published: Apr 26, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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