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Slackware: 2019-107-01 Moderate: Libpng Memory Leak and Free Issues

slackware
Calendar Grey April 17, 2019
Dist Slackware Esm H88
Updated libpng versions have been released for Slackware 14.2, rectifying several security vulnerabilities and improving overall system reliability.
New libpng packages are available for Slackware 14.2 and -current to fix security issues

Summary

Here are the details from the Slackware 14.2 ChangeLog: patches/packages/libpng-1.6.37-i586-1_slack14.2.txz: Upgraded. This update fixes security issues: Fixed a use-after-free vulnerability (CVE-2019-7317) in png_image_free. Fixed a memory leak in the ARM NEON implementation of png_do_expand_palette. Fixed a memory leak in pngtest.c. Fixed two vulnerabilities (CVE-2018-14048, CVE-2018-14550) in contrib/pngminus; refactor. For more information, see: https://www.cve.org/CVERecord?id=CVE-2018-14048 https://www.cve.org/CVERecord?id=CVE-2018-14550 https://www.cve.org/CVERecord?id=CVE-2019-7317 (* Security fix *)

Topics%20covered

Topics Covered

security advisory update slackware libpng memory leak use-after-free

Where Find New Packages

Thanks to the friendly folks at the OSU Open Source Lab (https://osuosl.org/) for donating FTP and rsync hosting to the Slackware project! :-)
Also see the "Get Slack" section on http://www.slackware.com/ for additional mirror sites near you.
Updated package for Slackware 14.2: ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/libpng-1.6.37-i586-1_slack14.2.txz
Updated package for Slackware x86_64 14.2: ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/libpng-1.6.37-x86_64-1_slack14.2.txz
Updated package for Slackware -current:
Updated package for Slackware x86_64 -current:

MD5 Signatures

Slackware 14.2 package: 829f6c020ad10fe9b09e94bceb7fae26 libpng-1.6.37-i586-1_slack14.2.txz
Slackware x86_64 14.2 package: e141813a42551a3c31df15b8495dc1a3 libpng-1.6.37-x86_64-1_slack14.2.txz
Slackware -current package: 0f711d15bd85893a02f398b95b7d3f06 l/libpng-1.6.37-i586-1.txz
Slackware x86_64 -current package: d8bdd5c1a73fa487c5f1a1a4b3ec2f63 l/libpng-1.6.37-x86_64-1.txz

Topics%20covered

Topics Covered

security advisory update slackware libpng memory leak use-after-free

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Installation Instructions

Installation instructions: Upgrade the package as root: # upgradepkg libpng-1.6.37-i586-1_slack14.2.txz