--- title: "CVE-2006-2776\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-2006-2776?format=md keywords: index, follow --- # CVE-2006-2776 Publication date 2 June 2006 Last updated 17 July 2025 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## Description Certain privileged UI code in Mozilla Firefox and Thunderbird before 1.5.0.4 calls content-defined setters on an object prototype, which allows remote attackers to execute code at a higher privilege than intended. ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | firefox | 7.04 feisty | Not affected | | 6.10 edgy | Not affected | | 6.06 LTS dapper | Fixed 1.5.dfsg+1.5.0.13~prepatch070731-0ubuntu1 | | firefox-granparadiso | 7.04 feisty | Not in release | | 6.10 edgy | Not in release | | 6.06 LTS dapper | Not in release | | lightning-sunbird | 7.04 feisty | Not in release | | 6.10 edgy | Not in release | | 6.06 LTS dapper | Not in release | | midbrowser | 7.04 feisty | Not in release | | 6.10 edgy | Not in release | | 6.06 LTS dapper | Not in release | | mozilla-thunderbird | 7.04 feisty | Fixed 1.5.0.13-0ubuntu0.7.04 | | 6.10 edgy | Fixed 1.5.0.13-0ubuntu0.6.10 | | 6.06 LTS dapper | Fixed 1.5.0.13-0ubuntu0.6.06 | | xulrunner | 7.04 feisty | Fixed 1.8.0.5-4.2 | | 6.10 edgy | Fixed 1.8.0.5-4.2 | | 6.06 LTS dapper | 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-2006-2776) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2006-2776) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2006-2776) * [Debian](https://security-tracker.debian.org/tracker/CVE-2006-2776) ### Related Ubuntu Security Notices (USN) + [USN-323-1](https://usn.ubuntu.com/USN-323-1) + mozilla vulnerabilities + 26 July 2006 + [USN-297-1](https://usn.ubuntu.com/USN-297-1) + Thunderbird vulnerabilities + 14 June 2006 + [USN-297-3](https://usn.ubuntu.com/USN-297-3) + Thunderbird vulnerabilities + 26 July 2006 + [USN-296-2](https://usn.ubuntu.com/USN-296-2) + Firefox vulnerabilities + 25 July 2006 + [USN-296-1](https://usn.ubuntu.com/USN-296-1) + firefox vulnerabilities + 9 June 2006 ### Other references *