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From: Slackware Security Team <security@slackware.com>
To: slackware-security@slackware.com
Subject: [slackware-security] libpng (SSA:2007-325-01)
Date: Wed, 21 Nov 2007 00:14:31 -0800 (PST)
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[slackware-security]  libpng (SSA:2007-325-01)

New libpng packages are available for Slackware 8.1, 9.0, 9.1, 10.0, 10.1,
10.2, 11.0, 12.0, and -current to fix security issues.

More details about these issues may be found in the Common
Vulnerabilities and Exposures (CVE) database:
  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5266
  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5267
  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5268
  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5269


Here are the details from the Slackware 12.0 ChangeLog:
+--------------------------+
patches/packages/libpng-1.2.23-i486-1_slack12.0.tgz:
  Upgraded to libpng-1.2.23.
  Previous libpng versions may crash when loading malformed PNG files.
  It is not currently known if this vulnerability can be exploited to
  execute malicious code.
  For more information, see:
    http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5266
    http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5267
    http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5268
    http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5269
  (* Security fix *)
+--------------------------+


Where to find the new packages:
+-----------------------------+

HINT:  Getting slow download speeds from ftp.slackware.com?
Give slackware.osuosl.org a try.  This is another primary FTP site
for Slackware that can be considerably faster than downloading
directly from ftp.slackware.com.

Thanks to the friendly folks at the OSU Open Source Lab
(http://osuosl.org) for donating additional FTP and rsync hosting
to the Slackware project!  :-)

Also see the "Get Slack" section on http://slackware.com for
additional mirror sites near you.

Updated package for Slackware 8.1:
ftp://ftp.slackware.com/pub/slackware/slackware-8.1/patches/packages/libpng-1.2.23-i386-1_slack8.1.tgz

Updated package for Slackware 9.0:
ftp://ftp.slackware.com/pub/slackware/slackware-9.0/patches/packages/libpng-1.2.23-i386-1_slack9.0.tgz

Updated package for Slackware 9.1:
ftp://ftp.slackware.com/pub/slackware/slackware-9.1/patches/packages/libpng-1.2.23-i486-1_slack9.1.tgz

Updated package for Slackware 10.0:
ftp://ftp.slackware.com/pub/slackware/slackware-10.0/patches/packages/libpng-1.2.23-i486-1_slack10.0.tgz

Updated package for Slackware 10.1:
ftp://ftp.slackware.com/pub/slackware/slackware-10.1/patches/packages/libpng-1.2.18-i486-1_slack10.1.tgz

Updated package for Slackware 10.2:
ftp://ftp.slackware.com/pub/slackware/slackware-10.2/patches/packages/libpng-1.2.18-i486-1_slack10.2.tgz

Updated package for Slackware 11.0:
ftp://ftp.slackware.com/pub/slackware/slackware-11.0/patches/packages/libpng-1.2.23-i486-1_slack11.0.tgz

Updated package for Slackware 12.0:
ftp://ftp.slackware.com/pub/slackware/slackware-12.0/patches/packages/libpng-1.2.23-i486-1_slack12.0.tgz

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/l/libpng-1.2.23-i486-1.tgz


MD5 signatures:
+-------------+

Slackware 8.1 package:
8d0dd9842dad8760a307b26553a65d4b  libpng-1.2.23-i386-1_slack8.1.tgz

Slackware 9.0 package:
de97c8d48064f524f5f1e8282239b273  libpng-1.2.23-i386-1_slack9.0.tgz

Slackware 9.1 package:
b27a0b7a99c61481790e48c3ba8f9b7c  libpng-1.2.23-i486-1_slack9.1.tgz

Slackware 10.0 package:
554b84161d14901c9ffe6af8bb3f8248  libpng-1.2.23-i486-1_slack10.0.tgz

Slackware 10.1 package:
3f9f1ba6c975ea16b8921482fba71c74  libpng-1.2.18-i486-1_slack10.1.tgz

Slackware 10.2 package:
3a7f07dbaef1058987718fc5bc2beed0  libpng-1.2.18-i486-1_slack10.2.tgz

Slackware 11.0 package:
0582f807f04c7041092b0ccc10c17d1f  libpng-1.2.23-i486-1_slack11.0.tgz

Slackware 12.0 package:
aaa0871396e70f44cd8ee6b4243fa93e  libpng-1.2.23-i486-1_slack12.0.tgz

Slackware -current package:
db8a8d10e3b637380875d7644faa8e37  libpng-1.2.23-i486-1.tgz


Installation instructions:
+------------------------+

Upgrade the packages as root:
# upgradepkg libpng-1.2.23-i486-1_slack12.0.tgz

Applications that use libpng may have to be restarted.


+-----+

Slackware Linux Security Team
http://slackware.com/gpg-key
security@slackware.com

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