--- title: "CVE-2006-5462\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-2006-5462?format=md keywords: index, follow --- # CVE-2006-5462 Publication date 8 November 2006 Last updated 17 July 2025 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## Description Mozilla Network Security Service (NSS) library before 3.11.3, as used in Mozilla Firefox before 1.5.0.8, Thunderbird before 1.5.0.8, and SeaMonkey before 1.0.6, when using an RSA key with exponent 3, does not properly handle extra data in a signature, which allows remote attackers to forge signatures for SSL/TLS and email certificates. NOTE: this identifier is for unpatched product versions that were originally intended to be addressed by CVE-2006-4340. ## 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 | | 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 1.8.0.10-3ubuntu1 | | 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-2006-5462) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2006-5462) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2006-5462) * [Debian](https://security-tracker.debian.org/tracker/CVE-2006-5462) ### Related Ubuntu Security Notices (USN) + [USN-382-1](https://usn.ubuntu.com/USN-382-1) + Thunderbird vulnerabilities + 21 November 2006 + [USN-381-1](https://usn.ubuntu.com/USN-381-1) + Firefox vulnerabilities + 21 November 2006 ### Other references *