CVE-2019-25572 | NordVPN 6.19.6 email overlap between protected memory ranges (Exploit 46343 / EDB-46343)

VDB-352334 · CVE-2019-25572 · EXPLOIT 46343 NORDVPN 6.19.6 EMAIL OVERLAP BETWEEN PROTECTED MEMORY RANGES HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 4.6 $0-$5k 2.04+ Summaryinfo A vulnerability labeled as problematic has been found in NordVPN 6.19.6. This issue affects some unknown processing. Such manipulation of the argument email leads to improper handling of overlap between protected memory ranges. This vulnerability is traded as CVE-2019-25572. An attack has to be approached locally. Furthermore, there is an exploit available. Detailsinfo A vulnerability, which was classified as problematic, has been found in NordVPN 6.19.6. Affected by this issue is an unknown part. The manipulation of the argument email with an unknown input leads to a improper handling of overlap between protected memory ranges vulnerability. Using CWE to declare the problem leads to CWE-1260. The product allows address regions to overlap, which can result in the bypassing of intended memory protection. Impacted is availability. CVE summarizes: 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. The weakness was shared by Alejandra Sánchez as 46343. The advisory is available at exploit-db.com. This vulnerability is handled as CVE-2019-25572 since 03/21/2026. The exploitation is known to be easy. Local access is required to approach this attack. Technical details as well as a public exploit are known. The exploit is available at exploit-db.com. It is declared as proof-of-concept. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. The vulnerability is also documented in the databases at Exploit-DB (46343) and EUVD (EUVD-2019-19892). Productinfo Type Network Encryption Software Name NordVPN Version 6.19.6 CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA CVSS-B Score: 🔒 CNA CVSS-BT Score: 🔒 CNA Vector: 🔒 CVSSv3info VulDB Meta Base Score: 4.7 VulDB Meta Temp Score: 4.6 VulDB Base Score: 3.3 VulDB Temp Score: 3.0 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 6.2 CNA Vector (VulnCheck): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Improper handling of overlap between protected memory ranges CWE: CWE-1260 / CWE-119 CAPEC: 🔒 ATT&CK: 🔒 Physical: Partially Local: Yes Remote: No Availability: 🔒 Access: Public Status: Proof-of-Concept Download: 🔒 Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Exploit-DB: 🔒 Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 03/21/2026 Advisory disclosed 03/21/2026 +0 days CVE reserved 03/21/2026 +0 days VulDB entry created 03/21/2026 +0 days VulDB entry last update Sourcesinfo Advisory: 46343 Researcher: Alejandra Sánchez Status: Not defined CVE: CVE-2019-25572 (🔒) GCVE (CVE): GCVE-0-2019-25572 GCVE (VulDB): GCVE-100-352334 EUVD: 🔒 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 03/21/2026 15:39 Updated: 03/21/2026 17:12 Changes: 03/21/2026 15:39 (79), 03/21/2026 17:12 (1) Complete: 🔍 Cache ID: 99:3B2:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸