# CVE-2019-25559: SpotPaltalk 1.1.5 Name/Key Field Denial of Service

> Local attackers can crash the SpotPaltalk application by entering an excessively long string in the registration Name/Key field.

- **Severity:** Medium 6.8 (`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`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 21 Mar 2026
- **Updated:** 23 Mar 2026
- **Also known as:** GHSA-mgx6-29r4-v32x

## What is CVE-2019-25559?

CVE-2019-25559 is a medium-severity denial of service vulnerability in Nsauditor SpotPaltalk, published on 21 Mar 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official description

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.

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

## Which versions are affected by CVE-2019-25559?

It affects 1 product.


Products: Nsasoft Spotpaltalk.

## How do I fix CVE-2019-25559?

No fix has been published for CVE-2019-25559 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-25559 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25559 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-25559 and fix it if it is affected.

What it is: CVE-2019-25559 is a medium-severity denial of service vulnerability in Nsauditor SpotPaltalk, published on 21 Mar 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25559 exists.

Affected product: Nsauditor SpotPaltalk. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2019-25559/ (Markdown: https://insights.sbomify.com/CVE-2019-25559/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-25559
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-25559
- OSV: https://osv.dev/vulnerability/CVE-2019-25559

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From sbomify Insights: https://insights.sbomify.com/CVE-2019-25559/
Summaries are generated and may contain mistakes; the official description above is the record.