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Description

Dnss Domain Name Search Software contains a denial of service vulnerability that allows attackers to crash the application by providing an oversized registration key. Attackers can generate a 1000-character buffer payload and paste it into the registration key field to trigger an application crash.

PUBLISHED Reserved 2026-02-10 | Published 2026-02-11 | Updated 2026-02-12 | Assigner VulnCheck




MEDIUM: 4.6CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
HIGH: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem types

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Product status

-
affected

Credits

Ismail Tasdelen finder

References

www.exploit-db.com/exploits/47856 (ExploitDB-47856) exploit

www.nsauditor.com/ (Vendor Homepage) product

www.vulncheck.com/...e-search-software-key-denial-of-service (VulnCheck Advisory: Dnss Domain Name Search Software - 'Key' Denial of Service) third-party-advisory

cve.org (CVE-2020-37196)

nvd.nist.gov (CVE-2020-37196)

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