--- title: "CVE-2007-4924\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-2007-4924?format=md keywords: index, follow --- # CVE-2007-4924 Publication date 8 October 2007 Last updated 24 July 2024 --- Ubuntu priority **Low** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## Description The Open Phone Abstraction Library (opal), as used by (1) Ekiga before 2.0.10 and (2) OpenH323 before 2.2.4, allows remote attackers to cause a denial of service (crash) via an invalid Content-Length header field in Session Initiation Protocol (SIP) packets, which causes a \0 byte to be written to an "attacker-controlled address." [Read the notes from the security team](https://ubuntu.com/security/CVE-2007-4924?format=md#notes) ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | opal | 7.10 gutsy | Not affected | | 7.04 feisty | Fixed 2.2.3.dfsg-2ubuntu2.1 | | 6.10 edgy | Fixed 2.2.3.dfsg-0ubuntu2.1 | | 6.06 LTS dapper | Fixed 2.2.1-1ubuntu1.1 | | openh323 | 7.10 gutsy | Not affected | | 7.04 feisty | Not affected | | 6.10 edgy | Not affected | | 6.06 LTS dapper | Not affected | --- * [How can I get the fixes?](https://ubuntu.com/security/cves/about#security) * [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses) ## Notes --- ### [jdstrand](https://launchpad.net/~jdstrand) openh323 as included in Ubuntu doesn't contain the vulnerable files ## References * [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4924) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2007-4924) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2007-4924) * [Debian](https://security-tracker.debian.org/tracker/CVE-2007-4924) ### Related Ubuntu Security Notices (USN) + [USN-562-1](https://usn.ubuntu.com/USN-562-1) + opal vulnerability + 8 January 2008 ### Other references * *