What is CVE-2019-25591?

CVE-2019-25591 is a medium-severity vulnerability in Nsauditor Dnss Domain Name Search Software, classified under Out-of-bounds Write. CVSS score: 6.2/10. Published 2026-03-22.

How severe is CVE-2019-25591?

Medium severity. CVSS v3 base score is 6.2 out of 10.

Buffer overflow in Nsauditor Dnss Domain Name Search Software

CVE-2019-25591

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 den…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (0.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Nsauditor Dnss Domain Name Search Software — versions 2.1.8

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

ExploitDB-46831 (exploit)
Product Reference (product)
VulnCheck Advisory: DNSS Domain Name Search Software 2.1.8 Denial of Service (third-party-advisory)

Frequently asked questions

What is CVE-2019-25591?: CVE-2019-25591 is a medium-severity vulnerability in Nsauditor Dnss Domain Name Search Software, classified under Out-of-bounds Write. CVSS score: 6.2/10. Published 2026-03-22.
How severe is CVE-2019-25591?: Medium severity. CVSS v3 base score is 6.2 out of 10.