CVE-2019-25572
NordVPN 6.19.6 Denial of Service via Email Field Buffer Overflow
- State
- Published
- Severity
- 6.9 Medium
- Published
- Mar 21, 2026
- Updated
- Mar 23, 2026
- Reserved
- Mar 21, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 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 | VulnCheck |
| 3.1 | 6.2 Medium | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | VulnCheck |
Weaknesses
- CWE-1260 Improper Handling of Overlap Between Protected Memory Ranges
Affected Products
| Product | Versions |
|---|---|
NordVPNNordvpn |
|
References
- ExploitDB-46343exploit
- Official Product Homepageproduct
- Product Referenceproduct
- VulnCheck Advisory: NordVPN 6.19.6 Denial of Service via Email Field Buffer Overflowthird-party-advisory
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