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=========================================================== Ubuntu Security Notice USN-381-1 November 16, 2006 firefox vulnerabilities CVE-2006-5462, CVE-2006-5463, CVE-2006-5464, CVE-2006-5747, CVE-2006-5748 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 5.10 Ubuntu 6.06 LTS 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: firefox 1.5.dfsg+1.5.0.8-0ubuntu0.5.10 firefox-dev 1.5.dfsg+1.5.0.8-0ubuntu0.5.10 Ubuntu 6.06 LTS: firefox 1.5.dfsg+1.5.0.8-0ubuntu0.6.06 firefox-dev 1.5.dfsg+1.5.0.8-0ubuntu0.6.06 libnspr-dev 1.5.dfsg+1.5.0.8-0ubuntu0.6.06 libnspr4 1.5.dfsg+1.5.0.8-0ubuntu0.6.06 libnss-dev 1.5.dfsg+1.5.0.8-0ubuntu0.6.06 libnss3 1.5.dfsg+1.5.0.8-0ubuntu0.6.06 After a standard system upgrade you need to restart Firefox to effect the necessary changes. Details follow: USN-351-1 fixed a flaw in the verification of PKCS certificate signatures. Ulrich Kuehn discovered a variant of the original attack which the original fix did not cover. (CVE-2006-5462) Various flaws have been reported that allow an attacker to execute arbitrary code with user privileges by tricking the user into opening a malicious web page containing JavaScript. (CVE-2006-5463, CVE-2006-5464, CVE-2006-5747, CVE-2006-5748)