Slackware alert SSA:2025-338-02 (libpng)

From:
             
 
Slackware Security Team <security@slackware.com>
To:
             
 
slackware-security@slackware.com
Subject:
             
 
[slackware-security]  libpng (SSA:2025-338-02)
Date:
             
 
Thu, 04 Dec 2025 14:34:08 -0800
Message-ID:
             
 
<alpine.LNX.2.02.2512041433490.19326@connie.slackware.com>

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[slackware-security]  libpng (SSA:2025-338-02)

New libpng packages are available for Slackware 15.0 and -current to
fix a security issue.


Here are the details from the Slackware 15.0 ChangeLog:
+--------------------------+
patches/packages/libpng-1.6.52-i586-1_slack15.0.txz:  Upgraded.
  This update fixes a high severity security issue:
  Out-of-bounds read in `png_image_read_composite`.
  (Reported by flyfish101 <flyfish101@users.noreply.github.com>.)
  For more information, see:
    https://www.cve.org/CVERecord?id=CVE-2025-66293
  (* 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/patc...

Updated package for Slackware x86_64 15.0:
ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/pa...

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/s...

Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current...


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

Slackware 15.0 package:
b00df602f8ed65aabb916e2f86cd288e  libpng-1.6.52-i586-1_slack15.0.txz

Slackware x86_64 15.0 package:
c92349c6018caa17ea90c049ed74c49b  libpng-1.6.52-x86_64-1_slack15.0.txz

Slackware -current package:
4be4871eda12282ff81e475bb99e89be  l/libpng-1.6.52-i686-1.txz

Slackware x86_64 -current package:
52809e7b1d1433b7ea70673b3e48f2de  l/libpng-1.6.52-x86_64-1.txz


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

Upgrade the package as root:
# upgradepkg libpng-1.6.52-i586-1_slack15.0.txz


+-----+

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

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