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  Turbolinux Security Advisory TLSA-2002-51
  http://www/turbolinux.co.jp/security/
                                            security-team@turbolinux.co.jp
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Libpng

Buffer Overflow Problem

   Release date : 2002-08-20

   Solution: package : libpng-1.2.4-1

   Problematical point
   Buffer overflow problem exists in the PNG data stream, there is a possibility of root authority being captured by unauthorized user.

   Solution:
    Please verify version and execute the command below.

    # rpm -qa | grep package name

    When problem corresponds, please download the update package. Do the update  by the using the command below.
    Furthermore, please execute the package number which corresponds to your version number. Without starting a new paragraph, please enter the "\ " Bunchu sign.

    Execution example
    ---------------------------------------------------------------------
    # rpm -Fvh Package-1.0.0-1.i586.rpm \
    Package-doc-1.0.0-1.i586.rpm \
    Package-devel-1.0.0-1.i586.rpm

    The case where rpm command is executed, please enter as follows on the command line.

    # rpm -Fvh package-1.0.0-1.i586.rpm package-doc-1.0.0-1.i586.rpm package-devel-1.0.0-1.i586.rpm
    ---------------------------------------------------------------------

    < Turbolinux 8 Workstation >
    # rpm -Fvh libpng-1.2.4-1.i586.rpm \
    libpng-devel-1.2.4-1.i586.rpm

    < Turbolinux 7 Server >
    < Turbolinux 7 Workstation >
    # rpm -Fvh libpng-1.0.12-2.i586.rpm \
    libpng-devel-1.0.12-2.i586.rpm

    < Turbolinux Server 6.5 >
    < Turbolinux Advanced Server 6 >
    < Turbolinux Server 6.1 >
    < Turbolinux Workstation 6.0 >
    # rpm -Fvh libpng-1.0.12-2.i386.rpm \
    libpng-devel-1.0.12-2.i386.rpm

Package updates: http://www.turbolinux.co.jp/update/