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

Published Mar 21, 2026
·
Updated

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.

Affected Software

2 affected components
NordVPN NordVPN=6.19.6
NordVPN Nordvpn Windows<=6.19.6

Event History

Mar 21, 2026
CVE Published
via MITRE·12:47 PM
Data Sourced
via MITRE·12:47 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·01:16 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2019-25572?

CVE-2019-25572 is classified as a denial of service vulnerability, which can cause the application to crash.

2

How do I fix CVE-2019-25572?

To fix CVE-2019-25572, update NordVPN to the latest version beyond 6.19.6 that addresses this vulnerability.

3

What versions of NordVPN are affected by CVE-2019-25572?

CVE-2019-25572 specifically affects NordVPN version 6.19.6.

4

Can CVE-2019-25572 be exploited remotely?

No, CVE-2019-25572 requires local access to the application to exploit the vulnerability.

5

What kind of attack does CVE-2019-25572 facilitate?

CVE-2019-25572 facilitates a denial of service attack through a buffer overflow on the email input field.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203