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From: Slackware Security Team <security@slackware.com>
To: slackware-security@slackware.com
Subject: [slackware-security] libpng (SSA:2007-136-01)
Date: Wed, 16 May 2007 16:37:08 -0700 (PDT)
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[slackware-security]  libpng (SSA:2007-136-01)

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

More details about this issue may be found in the Common
Vulnerabilities and Exposures (CVE) database:

  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2445


Here are the details from the Slackware 11.0 ChangeLog:
+--------------------------+
patches/packages/libpng-1.2.18-i486-1_slack11.0.tgz:
  Upgraded to libpng-1.2.18.
  A grayscale PNG image with a malformed (bad CRC) tRNS chunk will crash some
  libpng applications.  This vulnerability has been assigned the identifiers
  CVE-2007-2445 and CERT VU#684664.
  For more information, see:
    http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2445
  (* 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
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-1.2.18-i386-1_slack8.1.tgz

Updated package for Slackware 9.0:
ftp://ftp.slackware.com/pub/slackware/slackware-9.0/patches/packages/libpng-1.2.18-i386-1_slack9.0.tgz

Updated package for Slackware 9.1:
ftp://ftp.slackware.com/pub/slackware/slackware-9.1/patches/packages/libpng-1.2.18-i486-1_slack9.1.tgz

Updated package for Slackware 10.0:
ftp://ftp.slackware.com/pub/slackware/slackware-10.0/patches/packages/libpng-1.2.18-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-1.2.18-i486-1_slack11.0.tgz

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/l/libpng-1.2.18-i486-1.tgz


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

Slackware 8.1 package:
c7eb1c4fdb9770a6cdf74f254f81fc27  libpng-1.2.18-i386-1_slack8.1.tgz

Slackware 9.0 package:
8108fa520ece9138607731a74dfc141e  libpng-1.2.18-i386-1_slack9.0.tgz

Slackware 9.1 package:
ac40a7b0b793dbf186fa7765f3ab7f49  libpng-1.2.18-i486-1_slack9.1.tgz

Slackware 10.0 package:
c83777019c539e619a8f08a3fe4ca145  libpng-1.2.18-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:
0dd59c370e78ef621ce810e55a012596  libpng-1.2.18-i486-1_slack11.0.tgz

Slackware -current package:
ea3063b5c3ae38d48aff4631d0275cba  libpng-1.2.18-i486-1.tgz


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

Upgrade the packages as root:
# upgradepkg libpng-1.2.18-i486-1_slack11.0.tgz


+-----+

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

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