--- title: "CVE-2015-3294\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-2015-3294?format=md keywords: index, follow --- # CVE-2015-3294 Publication date 27 April 2015 Last updated 24 July 2024 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## Description The tcp\_request function in Dnsmasq before 2.73rc4 does not properly handle the return value of the setup\_reply function, which allows remote attackers to read process memory and cause a denial of service (out-of-bounds read and crash) via a malformed DNS request. ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | dnsmasq | 15.04 vivid | Fixed 2.72-3ubuntu0.1 | | 14.10 utopic | Fixed 2.71-1ubuntu0.1 | | 14.04 LTS trusty | Fixed 2.68-1ubuntu0.1 | | 12.04 LTS precise | Fixed 2.59-4ubuntu0.2 | | 10.04 LTS lucid | 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) * [Patch details](https://ubuntu.com/security/CVE-2015-3294?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 | | --- | --- | | dnsmasq | * Upstream: | ## References * [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-3294) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2015-3294) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2015-3294) * [Debian](https://security-tracker.debian.org/tracker/CVE-2015-3294) ### Related Ubuntu Security Notices (USN) + [USN-2593-1](https://usn.ubuntu.com/USN-2593-1) + Dnsmasq vulnerability + 4 May 2015 ### Other references * * *