VULNERABILITY INTELLIGENCE

CVE-2022-26382

CVSS score4.3 MEDIUM

EPSS probability0.51%

CISA KEVNot currently listed

Published2022-12-22

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Description

While the text displayed in Autofill tooltips cannot be directly read by JavaScript, the text was rendered using page fonts. Side-channel attacks on the text by using specially crafted fonts could have lead to this text being inferred by the webpage. This vulnerability affects Firefox < 98.

Weakness classification

nvd@nist.gov: CWE-203
134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-203

Primary references

security@mozilla.org — Exploit, Issue Tracking, Vendor Advisory
security@mozilla.org — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory