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Slackware libidn Critical Buffer Overflow Fix 2026-168-02

slackware
Calendar Grey June 17, 2026
Dist Slackware Esm H88
New libidn packages for Slackware 15.0 to fix security issues including a buffer overflow and read-out-of-bounds error.
New libidn packages are available for Slackware 15.0 and -current to fix security issues.

Summary

Here are the details from the Slackware 15.0 ChangeLog: patches/packages/libidn-1.44-i586-1-slack15.0.txz: Rebuilt. This update fixes security issues: libidn: Fix read-out-of-bounds error in ToUnicode APIs. examples: Fix strcpy buffer overflow. For more information, see: https://lists.gnu.org/archive/html/help-libidn/2026-05/msg00000.html https://lists.gnu.org/archive/html/help-libidn/2025-06/msg00000.html (* Security fix *)

Topics%20covered

Topics Covered

security advisory buffer overflow critical slackware libidn read-out-of-bounds

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://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/libidn-1.44-i586-1-slack15.0.txz
Updated package for Slackware x86_64 15.0: ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/libidn-1.44-x86_64-1-slack15.0.txz
Updated package for Slackware -current: ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/l/libidn-1.44-i686-1.txz
Updated package for Slackware x86_64 -current: ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/l/libidn-1.44-x86_64-1.txz

MD5 Signatures

Slackware 15.0 package: cebf86a9c5bd63bcc97933b6a81c975b libidn-1.44-i586-1-slack15.0.txz
Slackware x86_64 15.0 package: b9438bfe435f323eb2752fc0a42bd39c libidn-1.44-x86_64-1-slack15.0.txz
Slackware -current package: d0ffe04c5036d4592440cb1d17a30b9b l/libidn-1.44-i686-1.txz
Slackware x86_64 -current package: 7a0f4faa705823200e445097bcf8dd5f l/libidn-1.44-x86_64-1.txz

Severity
critical
Lowest
Low
Medium
High
Critical

Topics%20covered

Topics Covered

security advisory buffer overflow critical slackware libidn read-out-of-bounds

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Installation Instructions

Installation instructions: Upgrade the package as root: # upgradepkg libidn-1.44-i586-1-slack15.0.txz

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