# CVE-2019-25623: Luminance Studio 2.17 Denial of Service via Malformed Input

> Local attackers can crash Luminance Studio by providing malformed keyboard input, causing the application to become unresponsive or terminate.

- **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:** 23 Mar 2026
- **Updated:** 23 Mar 2026
- **Also known as:** GHSA-hh4h-rwh9-24c6

## What is CVE-2019-25623?

CVE-2019-25623 is a medium-severity denial of service vulnerability in Pixarra Luminance Studio, published on 23 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Luminance Studio 2.17 contains a denial of service vulnerability that allows local attackers to crash the application by providing malformed input through the keyboard interface. Attackers can create a text file with arbitrary character sequences and trigger the application to process the input, causing the application to become unresponsive or terminate abnormally.

Weakness: CWE-641 (Improper Restriction of Names for Files and Other Resources)

## Which versions are affected by CVE-2019-25623?

It affects 1 product.


Products: Pixarra Luminance Studio.

## How do I fix CVE-2019-25623?

No fix has been published for CVE-2019-25623 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-25623 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25623 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-25623 and fix it if it is affected.

What it is: CVE-2019-25623 is a medium-severity denial of service vulnerability in Pixarra Luminance Studio, published on 23 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-2019-25623 exists.

Affected product: Pixarra Luminance Studio. 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-2019-25623/ (Markdown: https://insights.sbomify.com/CVE-2019-25623/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-25623
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-25623
- OSV: https://osv.dev/vulnerability/CVE-2019-25623

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From sbomify Insights: https://insights.sbomify.com/CVE-2019-25623/
Summaries are generated and may contain mistakes; the official description above is the record.