# CVE-2019-25599: Backup Key Recovery 2.2.4 Denial of Service via Name Field

> Local attackers can crash the Backup Key Recovery application by submitting an excessively long string in the Name field during registration.

- **Severity:** Medium 6.9 (`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`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 22 Mar 2026
- **Updated:** 23 Mar 2026
- **Also known as:** GHSA-h8p8-gv8p-x88f

## What is CVE-2019-25599?

CVE-2019-25599 is a medium-severity denial of service vulnerability in Nsauditor Backup Key Recovery, published on 22 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Backup Key Recovery 2.2.4 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the Name field. Attackers can paste a buffer of 300 or more characters into the Name field during registration to trigger a crash when submitting the form.

Weakness: CWE-466 (Return of Pointer Value Outside of Expected Range)

## Which versions are affected by CVE-2019-25599?


## How do I fix CVE-2019-25599?

No fix has been published for CVE-2019-25599 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-25599 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25599 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-25599 and fix it if it is affected.

What it is: CVE-2019-25599 is a medium-severity denial of service vulnerability in Nsauditor Backup Key Recovery, published on 22 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25599 exists.

Affected product: Nsauditor Backup Key Recovery. 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-2019-25599/ (Markdown: https://insights.sbomify.com/CVE-2019-25599/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-25599
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-25599
- OSV: https://osv.dev/vulnerability/CVE-2019-25599

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From sbomify Insights: https://insights.sbomify.com/CVE-2019-25599/
Summaries are generated and may contain mistakes; the official description above is the record.