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    Fedora: pwlib Denial of service vulnerability

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    Using carefully crafted messages, an attacker can bring about denial of service.
    Fedora Update Notification
    Name        : pwlib
    Version     : 1.5.0                      
    Release     : 4                  
    Summary     : Portable Windows Libary
    Description :
    PWLib is a cross-platform class library designed to support the OpenH323
    project.  OpenH323 provides an implementation of the ITU H.323
    teleconferencing protocol, used by packages such as Gnome Meeting.
    Update Information:
    A test suite for the H.225 protocol (part of the H.323 family) provided
    by the NISCC uncovered bugs in PWLib prior to version 1.6.0.  An
    attacker could trigger these bugs by sending carefully crafted messages
    to an application.  The effects of such an attack can vary depending on
    the application, but would usually result in a Denial of Service. The
    Common Vulnerabilities and Exposures project ( has
    assigned the name CAN-2004-0097 to this issue.
    Users are advised to upgrade to the update packages, which contain
    backported security fixes and are not vulnerable to these issues.
    Red Hat would like to thank Craig Southeren of the OpenH323 project for
    providing the fixes for these issues.
    * Tue Feb 17 2004 Alexander Larsson <This email address is being protected from spambots. You need JavaScript enabled to view it.> 1.5.0-4
    - add ranges security fix
    * Fri Feb 13 2004 Elliot Lee <This email address is being protected from spambots. You need JavaScript enabled to view it.>
    - rebuilt
    This update can be downloaded from:
    d481d474e888b9b014e0db1716a2e40b  SRPMS/pwlib-1.5.0-4.src.rpm
    abf19de25472066bf79062c552c0f677  i386/pwlib-1.5.0-4.i386.rpm
    e19d9d49e6b2645bd448c49057b83f08  i386/pwlib-devel-1.5.0-4.i386.rpm
    80d11dd267768935a981199b82d7c613  i386/debug/pwlib-debuginfo-1.5.0-4.i386.rpm
    This update can also be installed with the Update Agent; you can
    launch the Update Agent with the 'up2date' command.  


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