CVE-2022-26382

Public Exploit

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.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.18%
Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: Mozilla Firefox
Published at:
Updated at:

References

Link Tags
https://www.mozilla.org/security/advisories/mfsa2022-10/ vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1741888 vendor advisory issue tracking exploit

Frequently Asked Questions

What is the severity of CVE-2022-26382?
CVE-2022-26382 has been scored as a medium severity vulnerability.
How to fix CVE-2022-26382?
To fix CVE-2022-26382, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-26382 being actively exploited in the wild?
It is possible that CVE-2022-26382 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-26382?
CVE-2022-26382 affects Mozilla Firefox.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.