libpng for Slackware 10.1 and 10.2 (SSA:2007-325-01a)
Posted on: 11/23/2007 06:18 AM

New libpng packages are available for Slackware 10.1 and 10.2 that were left out of the last batch of updates. These fix the same security problems as the other 1.2.23 upgrades.

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

Here are the details from the Slackware 10.2 ChangeLog:
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:
(* Security fix *)

Where to find the new packages:

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

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

Also see the "Get Slack" section on for additional mirror sites near you.

Updated package for Slackware 10.1:

Updated package for Slackware 10.2:

MD5 signatures:

Slackware 10.1 package:
ceb264e9db70c30832fff54c127650fb libpng-1.2.23-i486-1_slack10.1.tgz

Slackware 10.2 package:
16006289974b45f6fc2d1f1330dc2231 libpng-1.2.23-i486-1_slack10.2.tgz

Installation instructions:

Upgrade the packages as root:
# upgradepkg libpng-1.2.23-i486-1_slack10.2.tgz

Applications that use libpng may have to be restarted.


Slackware Linux Security Team

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