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Slackware 15.0 libssh Significant Security Update SSA-2026-048-02

slackware
Calendar Grey February 16, 2026
Dist Slackware Esm H88
New libssh packages fix critical security issues in Slackware 15.0 and -current to enhance system safety.
New libssh 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/libssh-0.11.4-i586-1_slack15.0.txz: Upgraded. This update fixes security issues: SCP Protocol Path Traversal in ssh_scp_pull_request(). Possible Denial of Service when parsing unexpected configuration files. Buffer underflow in ssh_get_hexa() on invalid input. Specially crafted patterns could cause DoS. OOB Read in sftp_parse_longname(). Read buffer overrun when handling SFTP extensions. For more information, see: https://www.cve.org/CVERecord?id=CVE-2026-0964 https://www.cve.org/CVERecord?id=CVE-2026-0965 https://www.cve.org/CVERecord?id=CVE-2026-0966 https://www.cve.org/CVERecord?id=CVE-2026-0967 https://www.cve.org/CVERecord?id=CVE-2026-0968 https://www.cve.org/CVERecord?id=CVE-2025-14821 (* Security fix *)

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow critical slackware libssh

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/libssh-0.11.4-i586-1_slack15.0.txz
Updated package for Slackware x86_64 15.0: ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/libssh-0.11.4-x86_64-1_slack15.0.txz
Updated package for Slackware -current: ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/l/libssh-0.12.0-i686-1.txz
Updated package for Slackware x86_64 -current: ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/l/libssh-0.12.0-x86_64-1.txz

MD5 Signatures

Slackware 15.0 package: 6e38d953e70fab3bbaf71ffb7767e7ca libssh-0.11.4-i586-1_slack15.0.txz
Slackware x86_64 15.0 package: 2612a06767b846a2570a5a21aa9dc952 libssh-0.11.4-x86_64-1_slack15.0.txz
Slackware -current package: c01f2c0005c856bcaadba31b7987fd9d l/libssh-0.12.0-i686-1.txz
Slackware x86_64 -current package: d3344ea8e62522bb03eead6e2d34f9a4 l/libssh-0.12.0-x86_64-1.txz

Severity
critical
Lowest
Low
Medium
High
Critical

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow critical slackware libssh

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Installation Instructions

Installation instructions: Upgrade the package as root: # upgradepkg libssh-0.11.4-i586-1_slack15.0.txz

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