--- title: "CVE-2007-3121\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-2007-3121?format=md keywords: index, follow --- # CVE-2007-3121 Publication date 7 June 2007 Last updated 17 July 2025 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## Description Buffer overflow in the CCdecode function in contrib/ntsc-cc.c in the zvbi-ntsc-cc tool in Zapping VBI Library (ZVBI) before 0.2.25 allows attackers to cause a denial of service (application crash) and possibly execute arbitrary code via long data during a reception error. NOTE: some of these details are obtained from third party information. ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | zvbi | 9.10 karmic | Not affected | | 9.04 jaunty | Not affected | | 8.10 intrepid | Not affected | | 8.04 LTS hardy | Not affected | | 7.10 gutsy | Not affected | | 7.04 feisty | Ignored end of life, was needed | | 6.10 edgy | 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-2007-3121) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2007-3121) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2007-3121) * [Debian](https://security-tracker.debian.org/tracker/CVE-2007-3121) ### Other references *