---
title: "CVE-2013-2494\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-2013-2494?format=md
keywords: index, follow
---

# CVE-2013-2494

Publication date 28 March 2013

Last updated 24 July 2024

---

Ubuntu priority

**Low**

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

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## Description

libdns in ISC DHCP 4.2.x before 4.2.5-P1 allows remote name servers to
cause a denial of service (memory consumption) via vectors involving a
regular expression, as demonstrated by a memory-exhaustion attack against a
machine running a dhcpd process, a related issue to CVE-2013-2266.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| dhcp3 | 15.10 wily | Not in release |
| 15.04 vivid | Not in release |
| 14.10 utopic | Not in release |
| 14.04 LTS trusty | Not in release |
| 13.10 saucy | Not in release |
| 13.04 raring | Not in release |
| 12.10 quantal | Not in release |
| 12.04 LTS precise | Not in release |
| 11.10 oneiric | Not in release |
| 10.04 LTS lucid | Not affected |
| 8.04 LTS hardy | Not affected |
| isc-dhcp | 15.10 wily | Not affected |
| 15.04 vivid | Not affected |
| 14.10 utopic | Ignored end of life |
| 14.04 LTS trusty | Not affected |
| 13.10 saucy | Ignored end of life |
| 13.04 raring | Ignored end of life |
| 12.10 quantal | Ignored end of life |
| 12.04 LTS precise | Not affected |
| 11.10 oneiric | Not affected |
| 10.04 LTS lucid | Not in release |
| 8.04 LTS hardy | Not in release |

---

* [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-2013-2494)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2013-2494)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2013-2494)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2013-2494)

### Other references

* <https://kb.isc.org/article/AA-00880/>
* <https://www.cve.org/CVERecord?id=CVE-2013-2494>