libpng (SSA:2025-327-01)
libpng (SSA:2025-327-01)
libpng (SSA:2025-327-01)
New libpng packages are available for Slackware 15.0 and -current to
fix security issues.
Here are the details from the Slackware 15.0 ChangeLog:
+--------------------------+
patches/packages/libpng-1.6.51-i586-1_slack15.0.txz: Upgraded.
This update fixes security issues:
Fixed CVE-2025-64505 (moderate severity):
Heap buffer overflow in `png_do_quantize` via malformed palette index.
(Reported by Samsung; analyzed by Fabio Gritti.)
Fixed CVE-2025-64506 (moderate severity):
Heap buffer over-read in `png_write_image_8bit` with 8-bit input and
`convert_to_8bit` enabled.
(Reported by Samsung and [weijinjinnihao@users.noreply.github.com];
analyzed by Fabio Gritti.)
Fixed CVE-2025-64720 (high severity):
Buffer overflow in `png_image_read_composite` via incorrect palette
premultiplication.
(Reported by Samsung; analyzed by John Bowler.)
Fixed CVE-2025-65018 (high severity):
Heap buffer overflow in `png_combine_row` triggered via
`png_image_finish_read`.
(Reported by [yosiimich@users.noreply.github.com].)
For more information, see:
https://www.cve.org/CVERecord?id=CVE-2025-64505
https://www.cve.org/CVERecord?id=CVE-2025-64506
https://www.cve.org/CVERecord?id=CVE-2025-64720
https://www.cve.org/CVERecord?id=CVE-2025-65018
(* Security fix *)
+--------------------------+
Where to find the new packages:
+-----------------------------+
Thanks to the friendly folks at the OSU Open Source Lab
( http://osuosl.org) for donating 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 15.0:
ftp://ftp.slackware.com/pub/slackware/slackware-15.0/patches/packages/libpng-1.6.51-i586-1_slack15.0.txz
Updated package for Slackware x86_64 15.0:
ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/libpng-1.6.51-x86_64-1_slack15.0.txz
Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/l/libpng-1.6.51-i686-1.txz
Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/l/libpng-1.6.51-x86_64-1.txz
MD5 signatures:
+-------------+
Slackware 15.0 package:
f5dbfd6dff4bbdee3c9350914afe5de8 libpng-1.6.51-i586-1_slack15.0.txz
Slackware x86_64 15.0 package:
0b421d8231739f499023560ea4ca926c libpng-1.6.51-x86_64-1_slack15.0.txz
Slackware -current package:
752c23a7fdbdf43a17d026c6859327b9 l/libpng-1.6.51-i686-1.txz
Slackware x86_64 -current package:
5a43a39f55fb7606daf43062e57dcdcc l/libpng-1.6.51-x86_64-1.txz
Installation instructions:
+------------------------+
Upgrade the package as root:
# upgradepkg libpng-1.6.51-i586-1_slack15.0.txz
+-----+
Slackware Linux Security Team
http://slackware.com/gpg-key
