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=========================================================== Ubuntu Security Notice USN-411-1 January 23, 2007 libsoup vulnerability CVE-2006-5876 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 5.10 Ubuntu 6.06 LTS Ubuntu 6.10 This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 5.10: libsoup2.2-8 2.2.6.1-0ubuntu1.1 Ubuntu 6.06 LTS: libsoup2.2-8 2.2.93-0ubuntu1.1 Ubuntu 6.10: libsoup2.2-8 2.2.96-0ubuntu2.1 In general, a standard system upgrade is sufficient to effect the necessary changes. Details follow: Roland Lezuo and Josselin Mouette discovered that the HTTP server code in libsoup did not correctly verify request headers. Remote attackers could crash applications using libsoup by sending a crafted HTTP request, resulting in a denial of service.