--- title: "CVE-2015-4047\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-2015-4047?format=md keywords: index, follow --- # CVE-2015-4047 Publication date 22 May 2015 Last updated 24 July 2024 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## Description racoon/gssapi.c in IPsec-Tools 0.8.2 allows remote attackers to cause a denial of service (NULL pointer dereference and IKE daemon crash) via a series of crafted UDP requests. [Read the notes from the security team](https://ubuntu.com/security/CVE-2015-4047?format=md#notes) ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | ipsec-tools | 16.04 LTS xenial | Not affected | | 15.10 wily | Not affected | | 15.04 vivid | Ignored end of life | | 14.10 utopic | Ignored end of life | | 14.04 LTS trusty | Fixed 1:0.8.0-14+deb7u1ubuntu0.1 | | 12.04 LTS precise | Fixed 1:0.8.0-9ubuntu1.1 | --- * [How can I get the fixes?](https://ubuntu.com/security/cves/about#security) * [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses) ## Notes --- ### [sbeattie](https://launchpad.net/~sbeattie) reported against ipsec-tools 0.8.2 ## References * [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4047) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2015-4047) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2015-4047) * [Debian](https://security-tracker.debian.org/tracker/CVE-2015-4047) ### Related Ubuntu Security Notices (USN) + [USN-2623-1](https://usn.ubuntu.com/USN-2623-1) + ipsec-tools vulnerability + 1 June 2015 ### Other references * * * *