In the previous advisory for libpng (SSA:2004-222-01), the URL provided for the Slackware 9.0 patch mistakenly pointed to the old unpatched package. Slackware 9.0 users should follow the URL below for the new package:

ftp://ftp.slackware.com/pub/slackware/slackware-9.0/patches/packages/libpng-1.2.5-i486-3.tgz

6a7ab390a92dbd28f77a5780be2b5ac1 libpng-1.2.5-i486-3.tgz