CVE-2022-26382 — Observable Discrepancy in Mozilla Firefox

CWE-203 — Observable Discrepancy11 documents6 sources
Severity
4.3MEDIUMNVD
OSV8.8
EPSS
0.3%
top 47.26%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Mozilla FirefoxDebian Firefox
Timeline
PublishedDec 22

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:NExploitability: 2.8 | Impact: 1.4

Affected Packages5 packages

▶debiandebian/firefox< firefox 98.0-1 (sid)
▶CVEListV5mozilla/firefoxunspecified — 98
▶NVDmozilla/firefox< 98.0
▶Ubuntumozilla/firefox< 98.0+build3-0ubuntu0.18.04.2+6
▶mozillamozilla/firefox

🔴Vulnerability Details

5
GHSA
GHSA-7mvx-m8hq-f37g: While the text displayed in Autofill tooltips cannot be directly read by JavaScript, the text was rendered using page fonts↗2022-12-22
▶
OSV
firefox regressions↗2022-03-24
▶
OSV
firefox vulnerabilities↗2022-03-17
▶
OSV
firefox vulnerabilities↗2022-03-10
▶
OSV
CVE-2022-26382: While the text displayed in Autofill tooltips cannot be directly read by JavaScript, the text was rendered using page fonts↗2022-03-09
▶

📋Vendor Advisories

5
Ubuntu
Firefox regressions↗2022-03-24
▶
Ubuntu
Firefox vulnerabilities↗2022-03-17
▶
Ubuntu
Firefox vulnerabilities↗2022-03-10
▶
Debian
CVE-2022-26382: firefox - While the text displayed in Autofill tooltips cannot be directly read by JavaScr...↗2022
▶
Mozilla
Mozilla Foundation Security Advisory 2022-10: CVE-2022-26382↗
▶