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Slackware 15.0 libseccomp Moderate Security Fix Double Free 2026-183-01

slackware
Calendar Grey July 4, 2026
Dist Slackware Esm H88
Slackware updates libseccomp to enhance security by resolving filter weaknesses, heap corruption, and double free issues.
New libseccomp 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/libseccomp-2.6.1-i586-1_slack15.0.txz: Upgraded. This update fixes bugs and security issues: Fix incorrect 64-bit comparison merge that can weaken libseccomp filters. Fix issue where oversized libseccomp filters can trigger a double free. Fix issue where oversized libseccomp filters can trigger a heap corruption. For more information, see: https://github.com/seccomp/libseccomp/security/advisories/GHSA-4q85-33p6-j5g6 https://github.com/seccomp/libseccomp/security/advisories/GHSA-46fr-jh49-xvhx https://github.com/seccomp/libseccomp/security/advisories/GHSA-2hqh-5c36-grrm` (* Security fix *)

Topics%20covered

Topics Covered

security advisory security issue heap corruption slackware double-free libseccomp

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/libseccomp-2.6.1-i586-1_slack15.0.txz
Updated package for Slackware x86_64 15.0: ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/libseccomp-2.6.1-x86_64-1_slack15.0.txz
Updated package for Slackware -current: ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/l/libseccomp-2.6.1-i686-1.txz
Updated package for Slackware x86_64 -current: ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/l/libseccomp-2.6.1-x86_64-1.txz

MD5 Signatures

Slackware 15.0 package: 37a30736d5a65b7eb6ccd2d3a07698a2 libseccomp-2.6.1-i586-1_slack15.0.txz
Slackware x86_64 15.0 package: 4471b94490dacb286ed8e9981dc0d5a3 libseccomp-2.6.1-x86_64-1_slack15.0.txz
Slackware -current package: a8205069188a1b2337c1f87547ee42bd l/libseccomp-2.6.1-i686-1.txz
Slackware x86_64 -current package: 0df95887fdc12f17c64e33d2c3b56fdc l/libseccomp-2.6.1-x86_64-1.txz

Severity
important
Lowest
Low
Medium
High
Critical

Topics%20covered

Topics Covered

security advisory security issue heap corruption slackware double-free libseccomp

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Installation Instructions

Installation instructions: Upgrade the package as root: # upgradepkg libseccomp-2.6.1-i586-1_slack15.0.txz

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