The remote host is missing an update to mozilla-thunderbird announced via advisory DSA 1227-1. Several security related problems have been discovered in Mozilla and derived products such as Mozilla Thunderbird. The Common Vulnerabilities and Exposures project identifies the following vulnerabilities: CVE-2006-4310 Tomas Kempinsky discovered that malformed FTP server responses could lead to denial of service. CVE-2006-5462 Ulrich Kühn discovered that the correction for a cryptographic flaw in the handling of PKCS-1 certificates was incomplete, which allows the forgery of certificates. CVE-2006-5463 shutdown discovered that modification of JavaScript objects during execution could lead to the execution of arbitrary JavaScript bytecode. CVE-2006-5464 Jesse Ruderman and Martijn Wargers discovered several crashes in the layout engine, which might also allow execution of arbitrary code. CVE-2006-5748 Igor Bukanov and Jesse Ruderman discovered several crashes in the JavaScript engine, which might allow execution of arbitrary code. This update also adresses several crashes, which could be triggered by malicious websites and fixes a regression introduced in the previous Mozilla update.

For the stable distribution (sarge) these problems have been fixed in version 1.0.4-2sarge13. For the unstable distribution (sid) these problems have been fixed in the current icedove package 1.5.0.8. We recommend that you upgrade your mozilla-thunderbird package. https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201227-1