CVE-2021-47784
High · 7.5CVSS
7.5
EPSS
0.2%
Published
Jan 15, 2026
CISA due date
—
The record
Cyberfox Web Browser 52.9.1 contains a denial of service vulnerability that allows attackers to crash the application by overflowing the search bar with excessive data. Attackers can generate a 9,000,000 byte payload and paste it into the search bar to trigger an application crash.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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