CVE-2021-29960

low-risk
Published 2021-06-24

Firefox used to cache the last filename used for printing a file. When generating a filename for printing, Firefox usually suggests the web page title. The caching and suggestion techniques combined may have lead to the title of a website visited during private browsing mode being stored on disk. This vulnerability affects Firefox < 89.

Do I need to act?

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0.42% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.3/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Mozilla

References (6)

Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1675965
Third Party Advisory https://security.gentoo.org/glsa/202107-09
Release Notes https://www.mozilla.org/security/advisories/mfsa2021-23/
Issue Tracking https://bugzilla.mozilla.org/show_bug.cgi?id=1675965
Third Party Advisory https://security.gentoo.org/glsa/202107-09
Release Notes https://www.mozilla.org/security/advisories/mfsa2021-23/
25
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 2/34 · Minimal
Exposure 5/34 · Minimal