# CVE-2010-2244: Denial of service in n/a

> Remote attackers can crash the Avahi daemon by sending specific DNS packets, causing a denial of service.

- **Severity:** Medium 4.3 (`AV:N/AC:M/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:** Yes
- **Published:** 7 Jul 2010
- **Updated:** 7 Aug 2024
- **Also known as:** DEBIAN-CVE-2010-2244, GHSA-vxxg-j26r-33g8

## What is CVE-2010-2244?

CVE-2010-2244 is a medium-severity denial of service vulnerability in n/a, published on 7 Jul 2010. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The AvahiDnsPacket function in avahi-core/socket.c in avahi-daemon in Avahi 0.6.16 and 0.6.25 allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a DNS packet with an invalid checksum followed by a DNS packet with a valid checksum, a different vulnerability than CVE-2008-5081.

## Which versions are affected by CVE-2010-2244?

It affects 1 product.


Products: Avahi Avahi.

## How do I fix CVE-2010-2244?

Apply the vendor's patch.

## Is CVE-2010-2244 being exploited?

There is no known exploitation of CVE-2010-2244 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2017-6519](https://insights.sbomify.com/CVE-2017-6519/): Denial of service in n/a (critical 9.1)
- [CVE-2021-26720](https://insights.sbomify.com/CVE-2021-26720/): Path traversal in n/a (high 7.8)
- [CVE-2026-24401](https://insights.sbomify.com/CVE-2026-24401/): Avahi has Uncontrolled Recursion in lookup_handle_cname function (medium 6.5)
- [CVE-2025-68468](https://insights.sbomify.com/CVE-2025-68468/): Avahi has a reachable assertion in lookup_multicast_callback (medium 6.5)
- [CVE-2025-68471](https://insights.sbomify.com/CVE-2025-68471/): Avahi has a reachable assertion in lookup_start (medium 6.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2010-2244 and fix it if it is affected.

What it is: CVE-2010-2244 is a medium-severity denial of service vulnerability in n/a, published on 7 Jul 2010. 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-2010-2244 in the wild and no public exploit code.

Affected product: n/a. 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-2010-2244/ (Markdown: https://insights.sbomify.com/CVE-2010-2244/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2010-2244
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2010-2244
- OSV: https://osv.dev/vulnerability/CVE-2010-2244

---
From sbomify Insights: https://insights.sbomify.com/CVE-2010-2244/
Summaries are generated and may contain mistakes; the official description above is the record.