ruby1.8 - several

Several vulnerabilities have been discovered in the interpreter for the
Ruby language. The Common Vulnerabilities and Exposures project
identifies the following problems:

• CVE-2013-1821
  Ben Murphy discovered that unrestricted entity expansion in REXML
  can lead to a Denial of Service by consuming all host memory.
• CVE-2013-4073
  William (B.J.) Snow Orvis discovered a vulnerability in the hostname
  checking in Ruby’s SSL client that could allow man-in-the-middle
  attackers to spoof SSL servers via a crafted certificate issued by a
  trusted certification authority.
• CVE-2013-4164
  Charlie Somerville discovered that Ruby incorrectly handled floating
  point number conversion. If an application using Ruby accepted
  untrusted input strings and converted them to floating point
  numbers, an attacker able to provide such input could cause the
  application to crash or, possibly, execute arbitrary code with the
  privileges of the application.

For the oldstable distribution (squeeze), these problems have been fixed in
version 1.8.7.302-2squeeze2.

For the stable distribution (wheezy), these problems have been fixed in
version 1.8.7.358-7.1+deb7u1.

For the unstable distribution (sid), these problems have been fixed in
version 1.8.7.358-9.

We recommend that you upgrade your ruby1.8 packages.