Moole Vulnerability Database

Find real vulnerabilities before they ship

Critical

CVE-2026-0881

Sandbox escape in the Messaging System component. This vulnerability was fixed in Firefox 147 and Thunderbird 147.

VectorNETWORK

PublishedJan 13, 2026, 14:16

Published Bysecurity@mozilla.org

Base Score

Score10

No affected versions found.

CWE-284

Base Score

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Base SeverityCritical

Version

3.1

Attack Vector (AV)

NETWORK