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Slackware 15.0 CUPS Major Security Patch Advisory SSA-2026-107-02

slackware
Calendar Grey April 17, 2026
Dist Slackware Esm H88
CUPS security update for Slackware 15.0 addresses critical flaws to enhance printer server safety and functionality.
New cups 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/cups-2.4.17-i586-1_slack15.0.txz: Upgraded. This update fixes security issues: The scheduler treated local user and group names as case-insensitive. The RSS notifier could write outside the scheduler's RSS directory. The scheduler did not filter control characters from option values. The scheduler did not always allocate enough memory for a job's options string. The scheduler incorrectly allowed local certificates over the loopback interface. Fixed the range check for job password strings. Fixed a printer subscription bug in the scheduler. Fixed a SNMP string conversion bug in the backends. For more information, see: https://www.cve.org/CVERecord?id=CVE-2026-27447 https://www.cve.org/CVERecord?id=CVE-2026-34978 https://www.cve.org/CVERecord?id=CVE-2026-34980 https://www.cve.org/CVERecord?id=CVE-2026-34979 https://www.cve.org/CVERecord?id=CVE-2026-34990

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory security issue critical slackware cups local user access

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/cups-2.4.17-i586-1_slack15.0.txz
Updated package for Slackware x86_64 15.0: ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/cups-2.4.17-x86_64-1_slack15.0.txz
Updated package for Slackware -current: ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/ap/cups-2.4.17-i686-1.txz
Updated package for Slackware x86_64 -current: ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/ap/cups-2.4.17-x86_64-1.txz

MD5 Signatures

Slackware 15.0 package: 15ee7bfb8e0ca621d29bcf59c552f447 cups-2.4.17-i586-1_slack15.0.txz
Slackware x86_64 15.0 package: ef69faf669400eabc802d9440e32a80c cups-2.4.17-x86_64-1_slack15.0.txz
Slackware -current package: 4589040f31a586a6bf655a3f40a7e779 ap/cups-2.4.17-i686-1.txz
Slackware x86_64 -current package: 44399b8feb3899536794d5d2b79fc710 ap/cups-2.4.17-x86_64-1.txz

Severity
critical
Lowest
Low
Medium
High
Critical

Topics%20covered

Topics Covered

security advisory security issue critical slackware cups local user access

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Installation Instructions

Installation instructions: Upgrade the package as root: # upgradepkg cups-2.4.17-i586-1_slack15.0.txz Then, restart the cups server: # sh /etc/rc.d/rc.cups restart

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