--- title: "CVE-2009-2404\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-2009-2404?format=md keywords: index, follow --- # CVE-2009-2404 Publication date 3 August 2009 Last updated 24 July 2024 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## Description Heap-based buffer overflow in a regular-expression parser in Mozilla Network Security Services (NSS) before 3.12.3, as used in Firefox, Thunderbird, SeaMonkey, Evolution, Pidgin, and AOL Instant Messenger (AIM), allows remote SSL servers to cause a denial of service (application crash) or possibly execute arbitrary code via a long domain name in the subject's Common Name (CN) field of an X.509 certificate, related to the cert\_TestHostName function. ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | nss | 9.04 jaunty | Fixed 3.12.3.1-0ubuntu0.8.04.1 | | 8.10 intrepid | Fixed 3.12.3.1-0ubuntu0.8.04.1 | | 8.04 LTS hardy | Fixed 3.12.3.1-0ubuntu0.8.04.1 | | 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-2009-2404) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2009-2404) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2009-2404) * [Debian](https://security-tracker.debian.org/tracker/CVE-2009-2404) ### Related Ubuntu Security Notices (USN) + [USN-810-1](https://usn.ubuntu.com/USN-810-1) + NSS vulnerabilities + 4 August 2009 ### Other references *