PT-2026-26979 · Nsauditor+1 · Dnss Domain Name Search+1

Victor Mondragón · Published 2026-03-22 · Updated 2026-03-22 · CVE-2019-25591

Positive Technologies (AI Summary)

CVSS v3.1

6.2

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions DNSS Domain Name Search Software version 2.1.8

Description A buffer overflow occurs in the registration code input field, allowing local attackers to crash the application. This is achieved by submitting an excessively long string, specifically by pasting a malicious registration code containing 300 repeated characters into the Name/Key field via the 'Register' menu option, resulting in a denial of service.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2019-25591

Affected Products

Dnss Domain Name Search

Dnss

References · 7

• 🔥 https://exploit-db.com/exploits/46831 · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-25591 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2019-25591 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2019-25591 · Security Note
• https://ubuntu.com/security/CVE-2019-25591 · Vendor Advisory
• https://vulncheck.com/advisories/dnss-domain-name-search-software-denial-of-service · Note
• http://nsauditor.com/downloads/dnss_setup.exe · Note