---
title: "CVE-2011-3581\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-2011-3581?format=md
keywords: index, follow
---

# CVE-2011-3581

Publication date 4 November 2011

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 the ldns\_rr\_new\_frm\_str\_internal function in
ldns before 1.6.11 allows remote attackers to cause a denial of service
(crash) and possibly execute arbitrary code via a Resource Record (RR) with
an unknown type containing input that is longer than a specified length.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| ldns | 14.04 LTS trusty | Not in release |
| 13.10 saucy | Not affected |
| 13.04 raring | Ignored end of life |
| 12.10 quantal | Not affected |
| 12.04 LTS precise | Not affected |
| 11.10 oneiric | Ignored end of life |
| 11.04 natty | Ignored end of life |
| 10.10 maverick | Ignored end of life |
| 10.04 LTS lucid | Ignored end of life |
| 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)

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-3581)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2011-3581)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2011-3581)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2011-3581)

### Other references

* <https://secunia.com/advisories/46153/>
* <https://www.cve.org/CVERecord?id=CVE-2011-3581>