PT-2026-61882

CVE-2026-16370

Published

2026-07-21

Updated

2026-09-18

CVSS 3.1

9.1

Critical

MetricsAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 153 Thunderbird versions prior to 153

Description A mitigation bypass exists within the DOM: Networking component.

Recommendations Update Firefox to version 153. Update Thunderbird to version 153.

Exploitability

Fix

Impacts

Researchers

Vendors

Affected products

Weakness enumeration

Related identifiers

CLSA-2026-1787115646

OPENSUSE-SU-2026:11358-1

OPENSUSE-SU-2026:11373-1

OPENSUSE-SU-2026:21713-1

SUSE-SU-2026:23411-1

SUSE-SU-2026:23590-1

SUSE-SU-2026:4140-1

SUSE-SU-2026:4156-1

SUSE-SU-2026:4268-1

Found an issue in the description? Have something to add? Feel free to write us 👾