--- title: "CVE-2014-5355\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-2014-5355?format=md keywords: index, follow --- # CVE-2014-5355 Publication date 20 February 2015 Last updated 24 July 2024 --- Ubuntu priority **Low** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## Description MIT Kerberos 5 (aka krb5) through 1.13.1 incorrectly expects that a krb5\_read\_message data field is represented as a string ending with a '\0' character, which allows remote attackers to (1) cause a denial of service (NULL pointer dereference) via a zero-byte version string or (2) cause a denial of service (out-of-bounds read) by omitting the '\0' character, related to appl/user\_user/server.c and lib/krb5/krb/recvauth.c. ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | krb5 | 15.10 wily | Not affected | | 15.04 vivid | Not affected | | 14.10 utopic | Ignored end of life | | 14.04 LTS trusty | Fixed 1.12+dfsg-2ubuntu5.2 | | 12.04 LTS precise | Fixed 1.10+dfsg~beta1-2ubuntu0.7 | | 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) ## References * [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-5355) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2014-5355) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2014-5355) * [Debian](https://security-tracker.debian.org/tracker/CVE-2014-5355) ### Related Ubuntu Security Notices (USN) + [USN-2810-1](https://usn.ubuntu.com/USN-2810-1) + Kerberos vulnerabilities + 12 November 2015 ### Other references *