VULNERABILITY INTELLIGENCE

CVE-2025-5270

CVSS score7.5 HIGH
EPSS probability0.29%
CISA KEVNot currently listed
Published2025-05-27
Last modified2026-09-30
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Description

In certain cases, SNI could have been sent unencrypted even when encrypted DNS was enabled. This vulnerability was fixed in Firefox 139 and Thunderbird 139.

Weakness classification

  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-319

Primary references