# CVE-2006-0451: Denial of service in n/a

> Remote attackers can cause denial of service in Fedora Directory Server by sending invalid BER packets that trigger memory leaks.

- **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:** Not needed
- **Fix available:** No
- **Published:** 14 Feb 2006
- **Updated:** 7 Aug 2024
- **Also known as:** GHSA-gp23-6585-vcq6

## What is CVE-2006-0451?

CVE-2006-0451 is a medium-severity denial of service vulnerability in Redhat Fedora Core, published on 14 Feb 2006. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Multiple memory leaks in the LDAP component in Fedora Directory Server 1.0 allow remote attackers to cause a denial of service (memory consumption) via invalid BER packets that trigger an error, which might prevent memory from being freed if it was allocated during the ber_scanf call, as demonstrated using the ProtoVer LDAP test suite.

## Which versions are affected by CVE-2006-0451?

It affects 1 product.


Products: Redhat Fedora Core.

## How do I fix CVE-2006-0451?

No fix has been published for CVE-2006-0451 yet. Limit exposure of the affected software until one is available.

## Is CVE-2006-0451 being exploited?

There is no known exploitation of CVE-2006-0451 in the wild and no public exploit code.

## Other vulnerabilities in Redhat Fedora Core

- [CVE-2004-1154](https://insights.sbomify.com/CVE-2004-1154/): Integer overflow in n/a (critical 10.0)
- [CVE-2004-0989](https://insights.sbomify.com/CVE-2004-0989/): Memory corruption in n/a (critical 10.0)
- [CVE-2006-0453](https://insights.sbomify.com/CVE-2006-0453/): Use after free in n/a (high 7.8)
- [CVE-2004-0619](https://insights.sbomify.com/CVE-2004-0619/): Integer overflow in n/a (high 7.2)
- [CVE-2007-2874](https://insights.sbomify.com/CVE-2007-2874/): Memory corruption in n/a (medium 5.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2006-0451 and fix it if it is affected.

What it is: CVE-2006-0451 is a medium-severity denial of service vulnerability in Redhat Fedora Core, published on 14 Feb 2006. 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-2006-0451 in the wild and no public exploit code.

Affected product: Redhat Fedora Core. 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-2006-0451/ (Markdown: https://insights.sbomify.com/CVE-2006-0451/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2006-0451
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2006-0451
- OSV: https://osv.dev/vulnerability/CVE-2006-0451

---
From sbomify Insights: https://insights.sbomify.com/CVE-2006-0451/
Summaries are generated and may contain mistakes; the official description above is the record.