php5 - several

Several vulnerabilities were discovered in PHP, which could lead to
denial of service or potentially the execution of arbitrary code.

• CVE-2010-2531
  An information leak was found in the var_export() function.
• CVE-2011-0421
  The Zip module could crash.
• CVE-2011-0708
  An integer overflow was discovered in the Exif module.
• CVE-2011-1466
  An integer overflow was discovered in the Calendar module.
• CVE-2011-1471
  The Zip module was prone to denial of service through malformed
  archives.
• CVE-2011-2202
  Path names in form based file uploads (RFC 1867) were incorrectly
  validated.

This update also fixes two bugs, which are not treated as security
issues, but fixed nonetheless, see README.Debian.security for details
on the scope of security support for PHP
(CVE-2011-0420,
CVE-2011-1153).

For the oldstable distribution (lenny), these problems have been fixed in
version 5.2.6.dfsg.1-1+lenny12.

For the stable distribution (squeeze), these problems have been fixed in
version 5.3.3-7+squeeze3.

For the unstable distribution (sid), these problems have been fixed in
version 5.3.6-12.

We recommend that you upgrade your php5 packages.