--- title: "CVE-2007-1099\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-2007-1099?format=md keywords: index, follow --- # CVE-2007-1099 Publication date 26 February 2007 Last updated 17 July 2025 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## Description dbclient in Dropbear SSH client before 0.49 does not sufficiently warn the user when it detects a hostkey mismatch, which might allow remote attackers to conduct man-in-the-middle attacks. ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | dropbear | 9.10 karmic | Fixed 0.49-1 | | 9.04 jaunty | Fixed 0.49-1 | | 8.10 intrepid | Fixed 0.49-1 | | 8.04 LTS hardy | Fixed 0.49-1 | | 7.10 gutsy | Fixed 0.49-1 | | 7.04 feisty | Fixed 0.49-1 | | 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-2007-1099) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2007-1099) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2007-1099) * [Debian](https://security-tracker.debian.org/tracker/CVE-2007-1099) ### Other references *