CVE-2019-25591

6.9 mediumEPSS 0.2%

Medium (6.9). EPSS 0.2% chance of exploitation in the next 30 days.

DNSS Domain Name Search Software 2.1.8 contains a buffer overflow vulnerability in the registration code input field that allows local attackers to crash the application by submitting an excessively long string. Attackers can trigger a denial of service by pasting a malicious registration code containing 300 repeated characters into the Name/Key field via the Register menu option.

Severity

CVSS 4.0

6.9 medium

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

6.2 medium

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 8% of CVEs (scores of 2026-11-01)
CWE: CWE-787
Published: 2026-03-22
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

http://www.nsauditor.com/downloads/dnss_setup.exe
https://www.exploit-db.com/exploits/46831
https://www.vulncheck.com/advisories/dnss-domain-name-search-software-denial-of-service

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