# CVE-2002-0391: Integer overflow in n/a

> Remote attackers can execute arbitrary code via integer overflow in xdr_array function within SunRPC-based libc implementations.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 2 Apr 2003
- **Updated:** 16 Jan 2025
- **Also known as:** DEBIAN-CVE-2002-0391, DSA-142, DSA-143, DSA-146, DSA-149, DSA-333, GHSA-2qf2-q2gj-r6v2

## What is CVE-2002-0391?

CVE-2002-0391 is a critical vulnerability in Freebsd Freebsd, published on 2 Apr 2003. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Integer overflow in xdr_array function in RPC servers for operating systems that use libc, glibc, or other code based on SunRPC including dietlibc, allows remote attackers to execute arbitrary code by passing a large number of arguments to xdr_array through RPC services such as rpc.cmsd and dmispd.

Weakness: CWE-190 (Integer Overflow or Wraparound)

## Which versions are affected by CVE-2002-0391?

It affects 7 products.


Products: Freebsd Freebsd, Microsoft Windows 2000, Microsoft Windows Nt, Microsoft Windows Xp, Openbsd Openbsd, Sun Solaris, Sun Sunos.

## How do I fix CVE-2002-0391?

Apply the vendor's patch.

## Is CVE-2002-0391 being exploited?

There is no known exploitation of CVE-2002-0391 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-2002-0391 and fix it if it is affected.

What it is: CVE-2002-0391 is a critical vulnerability in Freebsd Freebsd, published on 2 Apr 2003. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2002-0391 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-2002-0391/ (Markdown: https://insights.sbomify.com/CVE-2002-0391/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2002-0391
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2002-0391
- OSV: https://osv.dev/vulnerability/CVE-2002-0391

---
From sbomify Insights: https://insights.sbomify.com/CVE-2002-0391/
Summaries are generated and may contain mistakes; the official description above is the record.