# CVE-2006-5680: Denial of service in n/a

> Attackers can cause a denial of service via CPU exhaustion by providing a malformed archive to applications using the libarchive library.

- **Severity:** Medium 5.0 (`AV:N/AC:L/Au:N/C:N/I:N/A:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** Yes
- **Published:** 9 Nov 2006
- **Updated:** 7 Aug 2024
- **Also known as:** DEBIAN-CVE-2006-5680, GHSA-9qcr-cp56-22qc

## What is CVE-2006-5680?

CVE-2006-5680 is a medium-severity denial of service vulnerability in Freebsd Freebsd, published on 9 Nov 2006. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

The libarchive library in FreeBSD 6-STABLE after 2006-09-05 and before 2006-11-08 allows context-dependent attackers to cause a denial of service (CPU consumption) via a malformed archive that causes libarchive to skip a region past the actual end of the archive, which triggers an infinite loop that attempts to read more data.

## Which versions are affected by CVE-2006-5680?

It affects 1 product.


Products: Freebsd Freebsd.

## How do I fix CVE-2006-5680?

Upgrade to a fixed version.

## Is CVE-2006-5680 being exploited?

There is no known exploitation of CVE-2006-5680 in the wild and no public exploit code.

## Other vulnerabilities in Freebsd Freebsd

- [CVE-2018-17160](https://insights.sbomify.com/CVE-2018-17160/): Memory corruption in FreeBSD (critical 10.0)
- [CVE-2014-3954](https://insights.sbomify.com/CVE-2014-3954/): Memory corruption in n/a (critical 10.0)
- [CVE-2006-4304](https://insights.sbomify.com/CVE-2006-4304/): Memory corruption in n/a (critical 10.0)
- [CVE-2006-0226](https://insights.sbomify.com/CVE-2006-0226/): Integer overflow in n/a (critical 10.0)
- [CVE-2004-0002](https://insights.sbomify.com/CVE-2004-0002/): Denial of service in n/a (critical 10.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2006-5680 and fix it if it is affected.

What it is: CVE-2006-5680 is a medium-severity denial of service vulnerability in Freebsd Freebsd, published on 9 Nov 2006. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2006-5680 in the wild and no public exploit code.

Affected product: Freebsd Freebsd. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2006-5680/ (Markdown: https://insights.sbomify.com/CVE-2006-5680/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2006-5680
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2006-5680
- OSV: https://osv.dev/vulnerability/CVE-2006-5680

---
From sbomify Insights: https://insights.sbomify.com/CVE-2006-5680/
Summaries are generated and may contain mistakes; the official description above is the record.