Which versions of Spotpaltalk are affected by EUVD-2019-19866?

Organizations using SpotPaltalk 1.1.5 should be aware of moderate risk from CVE-2019-25559 rated CVSS 5.5. Exploitation could compromise the security of affected deployments.

Is there a public PoC exploit available for EUVD-2019-19866?

Yes, a public proof-of-concept exploit is available for EUVD-2019-19866. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate EUVD-2019-19866?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Spotpaltalk EUVD-2019-19866

Q: What is the CVSS score of EUVD-2019-19866?

EUVD-2019-19866 has a CVSS 4.0 base score of 6.8 (Medium). CVSS vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.0%.

| CVE-2019-25559 MEDIUM

Improper Handling of Overlap Between Protected Memory Ranges (CWE-1260)

2026-03-21 VulnCheck

GHSA-mgx6-29r4-v32x

Denial Of Service Spotpaltalk

6.8

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

6.8 MEDIUM

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Scope

Lifecycle Timeline

CVSS changed

Apr 16, 2026 - 18:07 NVD

5.5 (MEDIUM) 6.8 (MEDIUM)

PoC Detected

Mar 23, 2026 - 14:31 vuln.today

Public exploit code

EUVD ID Assigned

Mar 21, 2026 - 13:00 euvd

EUVD-2019-19866

Analysis Generated

Mar 21, 2026 - 13:00 vuln.today

CVE Published

Mar 21, 2026 - 12:47 nvd

MEDIUM 5.5

CVE Published

Mar 21, 2026 - 12:47 cve.org

MEDIUM 6.8

DescriptionCVE.org

SpotPaltalk 1.1.5 contains a denial of service vulnerability in the registration code input field that allows local attackers to crash the application by submitting an excessively long string. Attackers can paste a buffer of 1000 characters into the Name/Key field during registration to trigger a crash when the OK button is clicked.

AnalysisAI

SpotPaltalk 1.1.5 contains a denial of service vulnerability in the registration code input field that allows local attackers to crash the application by submitting an excessively long string. Rated medium severity (CVSS 6.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-1260. SpotPaltalk 1.1.5 contains a denial of service vulnerability in the registration code input field that allows local attackers to crash the application by submitting an excessively long string. Attackers can paste a buffer of 1000 characters into the Name/Key field during registration to trigger a crash when the OK button is clicked. Affected products include: Nsauditor Spotpaltalk.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.