--- title: "CVE-2005-2261\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-2005-2261?format=md keywords: index, follow --- # CVE-2005-2261 Publication date 13 July 2005 Last updated 17 July 2025 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## Description Firefox before 1.0.5, Thunderbird before 1.0.5, Mozilla before 1.7.9, Netscape 8.0.2, and K-Meleon 0.9 runs XBL scripts even when Javascript has been disabled, which makes it easier for remote attackers to bypass such protection. ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | mozilla | 7.04 feisty | Not in release | | 6.10 edgy | Fixed 1.7.12-1.1ubuntu2 | | 6.06 LTS dapper | Fixed 1.7.12-1.1ubuntu2 | | 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 | --- * [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-2005-2261) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2005-2261) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2005-2261) * [Debian](https://security-tracker.debian.org/tracker/CVE-2005-2261) ### Related Ubuntu Security Notices (USN) + [USN-155-1](https://usn.ubuntu.com/USN-155-1) + Mozilla vulnerabilities + 27 July 2005 + [USN-157-1](https://usn.ubuntu.com/USN-157-1) + Mozilla Thunderbird vulnerabilities + 1 August 2005 + [USN-149-3](https://usn.ubuntu.com/USN-149-3) + Ubuntu 4.10 update for Firefox vulnerabilities + 28 July 2005 + [USN-149-1](https://usn.ubuntu.com/USN-149-1) + Firefox vulnerabilities + 21 July 2005 ### Other references *