CVE-2026-84142
NONE—CVSS v3
—CVSS v2
—
EPSS (exploit probability)
—CWE
Description
Internally found bugs present in Thunderbird 154. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 155 and Thunderbird 155.
Affected routers (0)
No routers currently mapped to this CVE in our database.