--- title: "CVE-2011-4896\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-2011-4896?format=md keywords: index, follow --- # CVE-2011-4896 Publication date 23 December 2011 Last updated 24 July 2024 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## Description Tor before 0.2.2.24-alpha continues to use a reachable bridge that was previously configured but is not currently configured, which might allow remote attackers to obtain sensitive information about clients in opportunistic circumstances by monitoring network traffic to the bridge port. ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | tor | 13.04 raring | Not affected | | 12.10 quantal | Not affected | | 12.04 LTS precise | Not affected | | 11.10 oneiric | Ignored end of life | | 11.04 natty | Ignored end of life | | 10.10 maverick | Not in release | | 10.04 LTS lucid | Not in release | | 8.04 LTS hardy | Ignored end of life | --- * [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-2011-4896) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2011-4896) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2011-4896) * [Debian](https://security-tracker.debian.org/tracker/CVE-2011-4896) ### Other references * *