--- title: "CVE-2014-4020\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-2014-4020?format=md keywords: index, follow --- # CVE-2014-4020 Publication date 18 June 2014 Last updated 24 July 2024 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## Description The dissect\_frame function in epan/dissectors/packet-frame.c in the frame metadissector in Wireshark 1.10.x before 1.10.8 interprets a negative integer as a length value even though it was intended to represent an error condition, which allows remote attackers to cause a denial of service (application crash) via a crafted packet. [Read the notes from the security team](https://ubuntu.com/security/CVE-2014-4020?format=md#notes) ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | wireshark | 18.04 LTS bionic | Fixed 2.6.3-1~ubuntu18.04.1 | | 17.10 artful | Not affected | | 17.04 zesty | Not affected | | 16.10 yakkety | Not affected | | 16.04 LTS xenial | Fixed 2.6.3-1~ubuntu16.04.1 | | 15.10 wily | Not affected | | 15.04 vivid | Not affected | | 14.10 utopic | Not affected | | 14.04 LTS trusty | Fixed 2.6.3-1~ubuntu14.04.1 | | 13.10 saucy | Ignored end of life | | 12.04 LTS precise | Not affected | | 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) ## Notes --- ### [seth-arnold](https://launchpad.net/~seth-arnold) Upstream says 1.10.x is affected ## References * [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-4020) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2014-4020) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2014-4020) * [Debian](https://security-tracker.debian.org/tracker/CVE-2014-4020) ### Other references * *