---
title: "CVE-2009-1574\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-2009-1574?format=md
keywords: index, follow
---

# CVE-2009-1574

Publication date 6 May 2009

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

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

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## Description

racoon/isakmp\_frag.c in ipsec-tools before 0.7.2 allows remote attackers to
cause a denial of service (crash) via crafted fragmented packets without a
payload, which triggers a NULL pointer dereference.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| ipsec-tools | 9.04 jaunty | Fixed 1:0.7-2.1ubuntu1.9.04.1 |
| 8.10 intrepid | Fixed 1:0.7-2.1ubuntu1.8.10.1 |
| 8.04 LTS hardy | Fixed 1:0.6.7-1.1ubuntu1.2 |
| 6.06 LTS dapper | Fixed 1:0.6.5-4ubuntu1.3 |

---

* [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-2009-1574?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 |
| --- | --- |
| ipsec-tools | * Upstream:   <http://cvsweb.netbsd.org/bsdweb.cgi/src/crypto/dist/ipsec-tools/src/racoon/isakmp_frag.c.diff?r1=1.4&r2=1.4.6.1&f=h> |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1574)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2009-1574)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2009-1574)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2009-1574)

### Related Ubuntu Security Notices (USN)

+ [USN-785-1](https://usn.ubuntu.com/USN-785-1)
+ ipsec-tools vulnerabilities
+ 9 June 2009

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2009-1574>