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Slackware 15.0: lcms2 Critical Buffer Overflow Fix SSA:2026-009-01

slackware
Calendar Grey January 9, 2026
Dist Slackware Esm H88
New lcms2 packages for Slackware 15.0 resolve a critical buffer overflow issue. Upgrade immediately for security.
New lcms2 packages are available for Slackware 15.0 and -current to fix a security issue.

Summary

Here are the details from the Slackware 15.0 ChangeLog: patches/packages/lcms2-2.18-i586-1_slack15.0.txz: Upgraded. This update fixes a security issue: Fix for #469 heap buffer overflow on convert_utf16_to_utf32(). (* Security fix *)

Topics%20covered

Topics Covered

security advisory security issue buffer overflow critical slackware lcms2

Where Find 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://www.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/lcms2-2.18-i586-1_slack15.0.txz
Updated package for Slackware x86_64 15.0: ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/lcms2-2.18-x86_64-1_slack15.0.txz
Updated package for Slackware -current: ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/l/lcms2-2.18-i686-1.txz
Updated package for Slackware x86_64 -current: ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/l/lcms2-2.18-x86_64-1.txz

MD5 Signatures

Slackware 15.0 package: ebe57a7e43d5e7362816e79cc82cc4aa lcms2-2.18-i586-1_slack15.0.txz
Slackware x86_64 15.0 package: 2f9f2aacd1edadb1fbb6ce69990df56e lcms2-2.18-x86_64-1_slack15.0.txz
Slackware -current package: e6b561c37a05f7915099ce7a7562d89f l/lcms2-2.18-i686-1.txz
Slackware x86_64 -current package: 8b37163317caaab8aac706afc7c21268 l/lcms2-2.18-x86_64-1.txz

Severity
critical
Lowest
Low
Medium
High
Critical

Topics%20covered

Topics Covered

security advisory security issue buffer overflow critical slackware lcms2

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Installation Instructions

Installation instructions: Upgrade the package as root: # upgradepkg lcms2-2.18-i586-1_slack15.0.txz

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