--- title: "CVE-2007-4097\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-2007-4097?format=md keywords: index, follow --- # CVE-2007-4097 Publication date 30 July 2007 Last updated 17 July 2025 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## Description Tor before 0.1.2.15 sends "destroy cells" containing the reason for tearing down a circuit, which allows remote attackers to obtain sensitive information, contrary to specifications. ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | tor | 9.10 karmic | Not in release | | 9.04 jaunty | Not in release | | 8.10 intrepid | Fixed 0.1.2.15-1 | | 8.04 LTS hardy | Fixed 0.1.2.15-1 | | 7.10 gutsy | Fixed 0.1.2.15-1 | | 7.04 feisty | Ignored end of life, was needed | | 6.10 edgy | Ignored end of life, was needed | | 6.06 LTS dapper | 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-2007-4097) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2007-4097) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2007-4097) * [Debian](https://security-tracker.debian.org/tracker/CVE-2007-4097) ### Other references *