xulrunner - several vulnerabilities

Several remote vulnerabilities have been discovered in Xulrunner, a
runtime environment for XUL applications, such as the Iceweasel web
browser. The Common Vulnerabilities and Exposures project identifies
the following problems:

• CVE-2009-0771
  Martijn Wargers, Jesse Ruderman and Josh Soref discovered crashes
  in the layout engine, which might allow the execution of arbitrary
  code.
• CVE-2009-0772
  Jesse Ruderman discovered crashes in the layout engine, which
  might allow the execution of arbitrary code.
• CVE-2009-0773
  Gary Kwong, and Timothee Groleau discovered crashes in the
  Javascript engine, which might allow the execution of arbitrary code.
• CVE-2009-0774
  Gary Kwong discovered crashes in the Javascript engine, which
  might allow the execution of arbitrary code.
• CVE-2009-0775
  It was discovered that incorrect memory management in the DOM
  element handling may lead to the execution of arbitrary code.
• CVE-2009-0776
  Georgi Guninski discovered a violation of the same-origin policy
  through RDFXMLDataSource and cross-domain redirects.

As indicated in the Etch release notes, security support for the
Mozilla products in the oldstable distribution needed to be stopped
before the end of the regular Etch security maintenance life cycle.
You are strongly encouraged to upgrade to stable or switch to a still
supported browser.

For the stable distribution (lenny), these problems have been fixed
in version 1.9.0.7-0lenny1.

For the unstable distribution (sid), these problems have been fixed in
version 1.9.0.7-1.

We recommend that you upgrade your xulrunner packages.