CVE-2019-25572 MEDIUM

CVE-2019-25572: NordVPN 6.19.6 Denial of Service via Email Field Buffer Overflow

Vendor Nordvpn
Product NordVPN
Weakness CWE-1260
Published March 21, 2026
Last update March 23, 2026

CVSS base score

6.9/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

NordVPN 6.19.6 contains a denial of service vulnerability that allows local attackers to crash the application by submitting an excessively long string in the email input field. Attackers can paste a buffer of 100,000 characters into the email field during login to trigger an application crash.

Key dates

02Disclosure timeline

March 21, 2026 CVE published
March 23, 2026 Record updated