--- title: "CVE-2008-3263\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-2008-3263?format=md keywords: index, follow --- # CVE-2008-3263 Publication date 22 July 2008 Last updated 24 July 2024 --- Ubuntu priority **Low** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## Description The IAX2 protocol implementation in Asterisk Open Source 1.0.x, 1.2.x before 1.2.30, and 1.4.x before 1.4.21.2; Business Edition A.x.x, B.x.x before B.2.5.4, and C.x.x before C.1.10.3; AsteriskNOW; Appliance Developer Kit 0.x.x; and s800i 1.0.x before 1.2.0.1 allows remote attackers to cause a denial of service (call-number exhaustion and CPU consumption) by quickly sending a large number of IAX2 (IAX) POKE requests. ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | asterisk | 9.10 karmic | Not affected | | 9.04 jaunty | Not affected | | 8.10 intrepid | Ignored end of life, was needed | | 8.04 LTS hardy | Fixed 1:1.4.17~dfsg-2ubuntu1.1 | | 7.10 gutsy | Ignored end of life, was needed | | 7.04 feisty | Ignored end of life, was needed | | 6.06 LTS dapper | 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-2008-3263) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2008-3263) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2008-3263) * [Debian](https://security-tracker.debian.org/tracker/CVE-2008-3263) ### Other references *