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Slackware 15.0 openssh Important Security Issues Fix Advisory 2026-187-02

slackware
Calendar Grey July 6, 2026
Dist Slackware Esm H88
New openssh packages for Slackware 15.0 address critical security issues including potential denial of service.
New openssh 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/openssh-10.4p1-i586-1_slack15.0.txz: Upgraded. This release contains a number of security fixes: sftp(1): when downloading files on the command-line using "sftp host:/path .", a malicious server could cause the file to be downloaded to an unexpected location. This issue was identified by the Swival Security Scanner. scp(1): when copying files between two remote destinations, do not allow a malicious server to write files to the parent directory of the intended target directory. This issue was identified by the Swival Security Scanner. sshd(8): when using the "internal-sftp" SFTP server implementation (this is not the default), long command lines were previously truncated silently after the 9th argument. If a security-relevant option was in the 10th or later position, it would be discarded. Reported by Steve Caffrey. sshd(8): add a documentation note to mention that the

Read the Full Advisory

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/openssh-10.4p1-i586-1_slack15.0.txz
Updated package for Slackware x86_64 15.0: ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/openssh-10.4p1-x86_64-1_slack15.0.txz
Updated package for Slackware -current: ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/n/openssh-10.4p1-i686-1.txz
Updated package for Slackware x86_64 -current: ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/n/openssh-10.4p1-x86_64-1.txz

MD5 Signatures

Slackware 15.0 package: eb8d3bbfb4cf2885d0ec7870a35e8a3f openssh-10.4p1-i586-1_slack15.0.txz
Slackware x86_64 15.0 package: 82ca7dcca95f4b0d7c6e2a56008d2ab3 openssh-10.4p1-x86_64-1_slack15.0.txz
Slackware -current package: bdb19fd0e66d17df0b5ce744eff0c9c6 n/openssh-10.4p1-i686-1.txz
Slackware x86_64 -current package: 74bc62b8dbefd17861c72de5568f6dc7 n/openssh-10.4p1-x86_64-1.txz

Severity
important
Lowest
Low
Medium
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Critical

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Installation Instructions

Installation instructions: Upgrade the package as root: # upgradepkg openssh-10.4p1-i586-1_slack15.0.txz Next, restart the sshd daemon: # sh /etc/rc.d/rc.sshd restart