--- title: "CVE-2005-4077\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-2005-4077?format=md keywords: index, follow --- # CVE-2005-4077 Publication date 8 December 2005 Last updated 17 July 2025 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## Description Multiple off-by-one errors in the cURL library (libcurl) 7.11.2 through 7.15.0 allow local users to trigger a buffer overflow and cause a denial of service or bypass PHP security restrictions via certain URLs that (1) are malformed in a way that prevents a terminating null byte from being added to either a hostname or path buffer, or (2) contain a "?" separator in the hostname portion, which causes a "/" to be prepended to the resulting string. ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | curl | 7.04 feisty | Fixed 7.15.5-1ubuntu2.1 | | 6.10 edgy | Fixed 7.15.4-1ubuntu2.2 | | 6.06 LTS dapper | Fixed 7.15.1-1ubuntu2.1 | --- * [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-2005-4077) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2005-4077) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2005-4077) * [Debian](https://security-tracker.debian.org/tracker/CVE-2005-4077) ### Related Ubuntu Security Notices (USN) + [USN-228-1](https://usn.ubuntu.com/USN-228-1) + curl library vulnerability + 13 December 2005 ### Other references *