--- title: "CVE-2004-1018\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-2004-1018?format=md keywords: index, follow --- # CVE-2004-1018 Publication date 10 January 2005 Last updated 17 July 2025 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## Description Multiple integer handling errors in PHP before 4.3.10 allow attackers to bypass safe mode restrictions, cause a denial of service, or execute arbitrary code via (1) a negative offset value to the shmop\_write function, (2) an "integer overflow/underflow" in the pack function, or (3) an "integer overflow/underflow" in the unpack function. NOTE: this issue was originally REJECTed by its CNA before publication, but that decision is in active dispute. This candidate may change significantly in the future as a result of further discussion. ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | php4 | 7.04 feisty | Not in release | | 6.10 edgy | Fixed 4.4.2-1build1 | | 6.06 LTS dapper | Fixed 4.4.2-1build1 | | php5 | 7.04 feisty | Fixed 5.2.1-0ubuntu1.4 | | 6.10 edgy | Fixed 5.1.6-1ubuntu2.6 | | 6.06 LTS dapper | Fixed 5.1.2-1ubuntu3.9 | --- * [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-2004-1018) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2004-1018) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2004-1018) * [Debian](https://security-tracker.debian.org/tracker/CVE-2004-1018) ### Related Ubuntu Security Notices (USN) + [USN-99-1](https://usn.ubuntu.com/USN-99-1) + PHP4 vulnerabilities + 18 March 2005 ### Other references *