# CVE-2019-25434: SpotAuditor 5.3.1.0 Denial of Service via Registration Name Field

> Unauthenticated attackers can crash SpotAuditor by submitting excessive data in the registration name field, causing a denial of service.

- **Severity:** Medium 6.7 (`CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/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:** 20 Feb 2026
- **Updated:** 28 Jul 2026
- **Also known as:** GHSA-8w2x-hhv3-2m76

## What is CVE-2019-25434?

CVE-2019-25434 is a medium-severity denial of service vulnerability in Nsasoft Nsauditor SpotAuditor, published on 20 Feb 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

SpotAuditor 5.3.1.0 contains a denial of service vulnerability that allows unauthenticated attackers to crash the application by submitting excessive data in the registration name field. Attackers can enter a large string of characters (5000 bytes or more) in the name field during registration to trigger an unhandled exception that crashes the application.

Weakness: CWE-121 (Stack-based Buffer Overflow)

## Which versions are affected by CVE-2019-25434?

It affects 1 product.


Products: Nsasoft Spotauditor.

## How do I fix CVE-2019-25434?

No fix has been published for CVE-2019-25434 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-25434 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25434 exists.

## Other vulnerabilities in Nsasoft Nsauditor SpotAuditor

- [CVE-2019-25336](https://insights.sbomify.com/CVE-2019-25336/): SpotAuditor 5.3.2 - 'Base64' Local Buffer Overflow (SEH) (high 8.4)
- [CVE-2019-25666](https://insights.sbomify.com/CVE-2019-25666/): SpotAuditor 3.6.7 Denial of Service Buffer Overflow (medium 6.9)
- [CVE-2019-25596](https://insights.sbomify.com/CVE-2019-25596/): SpotAuditor 5.2.6 Name Field Denial of Service (medium 6.9)
- [CVE-2019-25340](https://insights.sbomify.com/CVE-2019-25340/): SpotAuditor 5.3.2 - 'Base64' Denial Of Service (medium 6.7)
- [CVE-2021-27722](https://insights.sbomify.com/CVE-2021-27722/): Memory corruption in n/a (medium 5.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-25434 and fix it if it is affected.

What it is: CVE-2019-25434 is a medium-severity denial of service vulnerability in Nsasoft Nsauditor SpotAuditor, published on 20 Feb 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-2019-25434 exists.

Affected product: Nsasoft Nsauditor SpotAuditor. 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-2019-25434/ (Markdown: https://insights.sbomify.com/CVE-2019-25434/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-25434
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-25434
- OSV: https://osv.dev/vulnerability/CVE-2019-25434

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From sbomify Insights: https://insights.sbomify.com/CVE-2019-25434/
Summaries are generated and may contain mistakes; the official description above is the record.