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CVE-2026-16405

Firefox

Description

Information disclosure in the Networking: WebSockets component. This vulnerability was fixed in Firefox 153, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13.

CVSS 7.5EPSS 0.256%Risk 0.77
View source
Published
2026-07-21 13:17:15
Affected versions
<153, <140.13
Type
Web application
Last modified
2026-07-22 20:16:59
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N