CVE-2022-0566

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

It may be possible for an attacker to craft an email message that causes Thunderbird to perform an out-of-bounds write of one byte when processing the message. This vulnerability affects Thunderbird < 91.6.1.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Dec 22, 2022
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2022

CVE-2022-0566: High severity, CVSS 8.8 | Vulnix