--- title: "CVE-2011-2749\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-2011-2749?format=md keywords: index, follow --- # CVE-2011-2749 Publication date 11 August 2011 Last updated 24 July 2024 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## Description The server in ISC DHCP 3.x and 4.x before 4.2.2, 3.1-ESV before 3.1-ESV-R3, and 4.1-ESV before 4.1-ESV-R3 allows remote attackers to cause a denial of service (daemon exit) via a crafted BOOTP packet. ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | dhcp3 | 11.04 natty | Not in release | | 10.10 maverick | Fixed 3.1.3-2ubuntu6.3 | | 10.04 LTS lucid | Fixed 3.1.3-2ubuntu3.3 | | 8.04 LTS hardy | Fixed 3.0.6.dfsg-1ubuntu9.3 | | isc-dhcp | 11.04 natty | Fixed 4.1.1-P1-15ubuntu9.1 | | 10.10 maverick | Not in release | | 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-2011-2749) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2011-2749) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2011-2749) * [Debian](https://security-tracker.debian.org/tracker/CVE-2011-2749) ### Related Ubuntu Security Notices (USN) + [USN-1190-1](https://usn.ubuntu.com/USN-1190-1) + DHCP vulnerabilities + 15 August 2011 ### Other references * *