Christoph Diehl discovered that libvpx did not properly perform bounds checking. If an application using libvpx opened a specially crafted WebM file, an attacker could cause a denial of service or possibly execute code as the user invoking the program. [More...]

==========================================================Ubuntu Security Notice USN-1015-1          November 10, 2010
libvpx vulnerability
CVE-2010-4203
==========================================================
A security issue affects the following Ubuntu releases:

Ubuntu 10.10

This advisory also applies to the corresponding versions of
Kubuntu, Edubuntu, and Xubuntu.

The problem can be corrected by upgrading your system to the
following package versions:

Ubuntu 10.10:
  libvpx0                         0.9.2-1ubuntu0.1

In general, a standard system update will make all the necessary changes.

Details follow:

Christoph Diehl discovered that libvpx did not properly perform bounds
checking. If an application using libvpx opened a specially crafted
WebM file, an attacker could cause a denial of service or possibly execute
code as the user invoking the program.


Updated packages for Ubuntu 10.10:

  Source archives:

          Size/MD5:    11216 71651eb86d66635c6762bfbd09fc2dbe
          Size/MD5:     1915 acc3a3df81a1d44128642b82efd87500
          Size/MD5:  1197094 609370925b274aeaa29e94fc34c74957

  Architecture independent packages:

          Size/MD5:   213800 643f6dec01f57f032e3b0569fd740aea

  amd64 architecture (Athlon64, Opteron, EM64T Xeon):

          Size/MD5:   317232 2bba15922882c45e09e00734cba97992
          Size/MD5:   513174 e7e4950eaeb1451d3b65877ee6160740
          Size/MD5:   242484 29757fcd05cb208a7417c80c0e1480be

  i386 architecture (x86 compatible Intel/AMD):

          Size/MD5:   295092 ad95c819c44989c1dffe857e8f5d7756
          Size/MD5:   482832 47d4ef6d2a62ee070301fe4b5872acd2
          Size/MD5:   221952 7ff75df2f1410385b6231d633eceeaec

  armel architecture (ARM Architecture):

          Size/MD5:   303772 a28b374676f0b28fb74cabea30cca822
          Size/MD5:   462142 a59e1096f88f18a844e37fabc99d1d7f
          Size/MD5:   244498 5bc6ca696e39ddc9af21a30856ff2177

  powerpc architecture (Apple Macintosh G3/G4/G5):

          Size/MD5:   279168 25295c9264836bdace7133836a634afb
          Size/MD5:   452792 c9c51d0c479379b19e77022992eb76ac
          Size/MD5:   218026 e4618be5cbce6571eae4810c9e80990f