mozilla-thunderbird

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 KĂźhn 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 addresses 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.