--- title: "CVE-2011-0056\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-2011-0056?format=md keywords: index, follow --- # CVE-2011-0056 Publication date 2 March 2011 Last updated 26 May 2025 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## Description Buffer overflow in the JavaScript engine in Mozilla Firefox before 3.5.17 and 3.6.x before 3.6.14, and SeaMonkey before 2.0.12, might allow remote attackers to execute arbitrary code via vectors involving exception timing and a large number of string values, aka an "atom map" issue. ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | firefox | 13.10 saucy | Not affected | | 13.04 raring | Not affected | | 12.10 quantal | Not affected | | 12.04 LTS precise | Not affected | | 11.10 oneiric | Not affected | | 11.04 natty | Not affected | | 10.10 maverick | Fixed 3.6.14+build3+nobinonly-0ubuntu0.10.10.1 | | 10.04 LTS lucid | Fixed 3.6.14+build3+nobinonly-0ubuntu0.10.04.1 | | 9.10 karmic | Not in release | | 8.04 LTS hardy | Ignored end of life | | 6.06 LTS dapper | Ignored end of life | | firefox-3.0 | 13.10 saucy | Not in release | | 13.04 raring | Not in release | | 12.10 quantal | Not in release | | 12.04 LTS precise | Not in release | | 11.10 oneiric | Not in release | | 11.04 natty | Not in release | | 10.10 maverick | Not in release | | 10.04 LTS lucid | Not in release | | 9.10 karmic | Not in release | | 8.04 LTS hardy | Fixed 3.6.14+build3+nobinonly-0ubuntu0.8.04.1 | | 6.06 LTS dapper | Not in release | | firefox-3.5 | 13.10 saucy | Not in release | | 13.04 raring | Not in release | | 12.10 quantal | Not in release | | 12.04 LTS precise | Not in release | | 11.10 oneiric | Not in release | | 11.04 natty | Not in release | | 10.10 maverick | Not in release | | 10.04 LTS lucid | Not in release | | 9.10 karmic | Fixed 3.6.14+build3+nobinonly-0ubuntu0.9.10.1 | | 8.04 LTS hardy | Not in release | | 6.06 LTS dapper | Not in release | | seamonkey | 13.10 saucy | Not in release | | 13.04 raring | Not in release | | 12.10 quantal | Not in release | | 12.04 LTS precise | Not in release | | 11.10 oneiric | Not affected | | 11.04 natty | Not affected | | 10.10 maverick | Ignored end of life | | 10.04 LTS lucid | Ignored end of life | | 9.10 karmic | Ignored end of life | | 8.04 LTS hardy | Ignored end of life | | 6.06 LTS dapper | Not in release | | xulrunner-1.9.2 | 13.10 saucy | Not in release | | 13.04 raring | Not in release | | 12.10 quantal | Not in release | | 12.04 LTS precise | Not in release | | 11.10 oneiric | Not in release | | 11.04 natty | Not affected | | 10.10 maverick | Fixed 1.9.2.14+build3+nobinonly-0ubuntu0.10.10.1 | | 10.04 LTS lucid | Fixed 1.9.2.14+build3+nobinonly-0ubuntu0.10.04.1 | | 9.10 karmic | Fixed 1.9.2.14+build3+nobinonly-0ubuntu0.9.10.1 | | 8.04 LTS hardy | Fixed 1.9.2.14+build3+nobinonly-0ubuntu0.8.04.1 | | 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-2011-0056) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2011-0056) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2011-0056) * [Debian](https://security-tracker.debian.org/tracker/CVE-2011-0056) ### Related Ubuntu Security Notices (USN) + [USN-1049-1](https://usn.ubuntu.com/USN-1049-1) + Firefox and Xulrunner vulnerabilities + 3 March 2011 + [USN-1123-1](https://usn.ubuntu.com/USN-1123-1) + Xulrunner vulnerabilities + 30 April 2011 ### Other references *