--- title: "CVE-2007-0777\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-2007-0777?format=md keywords: index, follow --- # CVE-2007-0777 Publication date 26 February 2007 Last updated 17 July 2025 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## Description The JavaScript engine in Mozilla Firefox before 1.5.0.10 and 2.x before 2.0.0.2, Thunderbird before 1.5.0.10, and SeaMonkey before 1.0.8 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via certain vectors that trigger memory corruption. ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | firefox | 7.10 gutsy | Not affected | | 7.04 feisty | Fixed 2.0.0.6+1-0ubuntu1 | | 6.10 edgy | Fixed 2.0.0.6+0dfsg-0ubuntu0.6.10 | | 6.06 LTS dapper | Fixed 1.5.dfsg+1.5.0.13~prepatch070731-0ubuntu1 | | iceape | 7.10 gutsy | Fixed 1.1.4-1ubuntu2 | | 7.04 feisty | Not in release | | 6.10 edgy | Not in release | | 6.06 LTS dapper | Not in release | | lightning-sunbird | 7.10 gutsy | Fixed 0.5-0ubuntu4 | | 7.04 feisty | Not in release | | 6.10 edgy | Not in release | | 6.06 LTS dapper | Not in release | | midbrowser | 7.10 gutsy | Fixed 0.1.6b-0ubuntu2 | | 7.04 feisty | Not in release | | 6.10 edgy | Not in release | | 6.06 LTS dapper | Not in release | | mozilla-thunderbird | 7.10 gutsy | Not in release | | 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 | 7.10 gutsy | Fixed 1.8.0.10-3ubuntu1 | | 7.04 feisty | Fixed 1.8.0.10-3ubuntu1 | | 6.10 edgy | Ignored end of life, was needed | | 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-2007-0777) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2007-0777) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2007-0777) * [Debian](https://security-tracker.debian.org/tracker/CVE-2007-0777) ### Related Ubuntu Security Notices (USN) + [USN-428-1](https://usn.ubuntu.com/USN-428-1) + Firefox vulnerabilities + 1 March 2007 + [USN-431-1](https://usn.ubuntu.com/USN-431-1) + Thunderbird vulnerabilities + 7 March 2007 ### Other references *