Is CVE-2022-26382 in the CISA KEV catalog?

No. CVE-2022-26382 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-26382?

CVE-2022-26382 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2022-26382?

CVE-2022-26382 has an EPSS score of 0.49% (39th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-26382?

Upgrade firefox on debian unstable to 98.0-1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2022-26382

MEDIUM

4.3

CVSS v3

NVD

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.

CWE-203

How to fix

Remediation Available

firefoxDebian

Fixed in:98.0-1CVE-2022-26382

firefoxUbuntu

Fixed in:98.0.1+build2-0ubuntu0.18.04.1USN-5321-2

Fixed in:98.0+build3-0ubuntu0.18.04.2USN-5321-1

Fixed in:98.0.1+build2-0ubuntu0.20.04.1USN-5321-2

Fixed in:98.0+build3-0ubuntu0.20.04.2USN-5321-1

DeveloperEditionWindows application

Affected:98.0Fixed in:98.0Mozilla

Mozilla Firefox (en-US)Windows application

Affected:98.0Fixed in:98.0Mozilla

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.49%probability of exploitation in 30 days

39thpercentile

Low risk: more likely to be exploited than 39% of all known CVEs.

References

Exploit1

bugzilla.mozilla.org

Vendor Advisory1

mozilla.org

Related Vulnerabilities

Other CWE-203 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-5753	Medium	5.6	94%	-	Fix
CVE-2003-0190	Medium	5.0	77%	-	Fix
CVE-2017-5715	Medium	5.6	74%	-	Fix
CVE-2018-3639	Medium	5.5	61%	-	Fix
CVE-2023-28770	High	7.5	58%	-	Fix
CVE-2004-1602	Medium	5.0	31%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-04-16.