---
title: "CVE-2012-1836\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2012-1836?format=md
keywords: index, follow
---

# CVE-2012-1836

Publication date 22 March 2012

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

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## Description

Heap-based buffer overflow in dns.cpp in InspIRCd 2.0.5 might allow remote
attackers to execute arbitrary code via a crafted DNS query that uses
compression.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| inspircd | 11.10 oneiric | Fixed 1.1.22+dfsg-4ubuntu1.1 |
| 11.04 natty | Fixed 1.1.22+dfsg-4squeeze1build0.11.04.1 |
| 10.10 maverick | Ignored end of life |
| 10.04 LTS lucid | Fixed 1.1.22+dfsg-4squeeze1build0.10.04.1 |
| 8.04 LTS hardy | Ignored end of life |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)
* [Patch details](https://ubuntu.com/security/CVE-2012-1836?format=md#patch-details)

### Patch details

For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)

| Package | Patch details |
| --- | --- |
| inspircd | * Other:   [fe7dbd2](https://github.com/inspircd/inspircd/commit/fe7dbd2c104c37f6f3af7d9f1646a3c332aea4a4) * Vendor:   <http://www.debian.org/security/2012/dsa-2448> |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-1836)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2012-1836)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2012-1836)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2012-1836)

### Other references

* <http://www.kb.cert.org/vuls/id/212651>
* <https://www.cve.org/CVERecord?id=CVE-2012-1836>