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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

- --------------------------------------------------------------------------
CONECTIVA LINUX SECURITY ANNOUNCEMENT 
- --------------------------------------------------------------------------

PACKAGE   : libpng
SUMMARY   : Buffer overflow vulnerability
DATE      : 2003-01-23 18:17:00
ID        : CLA-2003:564
RELEVANT
RELEASES  : 6.0, 7.0, 8

- -------------------------------------------------------------------------

DESCRIPTION
 libpng is a library used to create and manipulate PNG (Portable
 Network Graphics) image files. 
 
 Glenn Randers-Pehrson discovered a buffer overflow vulnerability in
 unpatched libpng versions prior to 1.0.15 and 1.2.5(*) (inclusive).
 
 Programs such as web browsers and various others common applications
 make use of libpng. An attacker could exploit this vulnerability to
 remotely run arbitrary code or crash such applications by using a
 specially crafted png image.
 
 This update provides patched versions of libpng with fixes for this
 vulnerability.
 
 * The libpng-1.2.X series is available only in Conectiva Linux 8 in
 the libpng3 package.


SOLUTION
 All users should upgrade.
 
 Please note that in order to complete the upgrade process, you must
 restart all running aplications that are linked against libpng after
 the new packages installation. You can see a list of such
 applications using the lsof utility, as seen below:
 
 # lsof | grep libpng
 
 
 REFERENCES:
 1.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-1363


UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/libpng-1.0.14-1U60_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/libpng-devel-1.0.14-1U60_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/6.0/SRPMS/libpng-1.0.14-1U60_2cl.src.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/libpng-1.0.14-1U70_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/libpng-devel-1.0.14-1U70_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/libpng-devel-static-1.0.14-1U70_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/libpng-doc-1.0.14-1U70_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/SRPMS/libpng-1.0.14-1U70_2cl.src.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/libpng-1.0.14-1U80_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/libpng3-1.2.4-1U80_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/libpng-devel-1.2.4-1U80_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/libpng-devel-static-1.2.4-1U80_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/libpng-doc-1.2.4-1U80_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/SRPMS/libpng-1.0.14-1U80_2cl.src.rpm
ftp://atualizacoes.conectiva.com.br/8/SRPMS/libpng3-1.2.4-1U80_2cl.src.rpm


ADDITIONAL INSTRUCTIONS
 Users of Conectiva Linux version 6.0 or higher may use apt to perform 
 upgrades of RPM packages:

 - run:                 apt-get update
 - after that, execute: apt-get upgrade

 Detailed instructions reagarding the use of apt and upgrade examples 
 can be found at http://distro.conectiva.com.br/atualizacoes/#apt?idioma=en


- -------------------------------------------------------------------------
All packages are signed with Conectiva's GPG key. The key and instructions
on how to import it can be found at 
http://distro.conectiva.com.br/seguranca/chave/?idioma=en
Instructions on how to check the signatures of the RPM packages can be
found at http://distro.conectiva.com.br/seguranca/politica/?idioma=en
- -------------------------------------------------------------------------
All our advisories and generic update instructions can be viewed at
http://distro.conectiva.com.br/atualizacoes/?idioma=en

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-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.0.6 (GNU/Linux)
Comment: For info see http://www.gnupg.org

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