VULNERABILITY INTELLIGENCE
CVE-2021-47784
CVSS score6.7 MEDIUM
EPSS probability0.24%
CISA KEVNot currently listed
Published2026-01-15
Last modified2026-06-17
CVSS vectorCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Description
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.
Weakness classification
- CWE-770: Allocation of Resources Without Limits or Throttling