--- title: "CVE-2009-0591\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-2009-0591?format=md keywords: index, follow --- # CVE-2009-0591 Publication date 27 March 2009 Last updated 24 July 2024 --- Ubuntu priority **Low** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## Description The CMS\_verify function in OpenSSL 0.9.8h through 0.9.8j, when CMS is enabled, does not properly handle errors associated with malformed signed attributes, which allows remote attackers to repudiate a signature that originally appeared to be valid but was actually invalid. [Read the notes from the security team](https://ubuntu.com/security/CVE-2009-0591?format=md#notes) ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | openssl | 8.10 intrepid | Not affected | | 8.04 LTS hardy | Not affected | | 7.10 gutsy | Not affected | | 6.06 LTS dapper | Not affected | --- * [How can I get the fixes?](https://ubuntu.com/security/cves/about#security) * [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses) ## Notes --- ### [jdstrand](https://launchpad.net/~jdstrand) only present in OpenSSL 0.9.8h and later ## References * [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0591) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2009-0591) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2009-0591) * [Debian](https://security-tracker.debian.org/tracker/CVE-2009-0591) ### Other references * *