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[slackware-security]  openssh (SSA:2025-049-01)

New openssh packages are available for Slackware 15.0 and -current to
fix security issues.


Here are the details from the Slackware 15.0 ChangeLog:
+--------------------------+
patches/packages/openssh-9.9p2-i586-1_slack15.0.txz:  Upgraded.
  This release fixes two security bugs:
  ssh(1) in OpenSSH versions 6.8p1 to 9.9p1 (inclusive) contained a logic error
  that allowed an on-path attacker (a.k.a MITM) to impersonate any server when
  the VerifyHostKeyDNS option is enabled. This option is off by default.
  sshd(8) in OpenSSH versions 9.5p1 to 9.9p1 (inclusive) is vulnerable to a
  memory/CPU denial-of-service related to the handling of SSH2_MSG_PING
  packets. This condition may be mitigated using the existing
  PerSourcePenalties feature.
  Both vulnerabilities were discovered and demonstrated to be exploitable
  by the Qualys Security Advisory team. We thank them for their detailed
  review of OpenSSH.
  For more information, see:
    https://www.openssh.com/txt/release-9.9p2
    https://www.cve.org/CVERecord?id=CVE-2025-26465
    https://www.cve.org/CVERecord?id=CVE-2025-26466
  (* Security fix *)
+--------------------------+


Where to find the 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-9.9p2-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-9.9p2-x86_64-1_slack15.0.txz

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/n/openssh-9.9p2-i686-1.txz

Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/n/openssh-9.9p2-x86_64-1.txz


MD5 signatures:
+-------------+

Slackware 15.0 package:
39086bf1a23389cdc3501560811ee229  openssh-9.9p2-i586-1_slack15.0.txz

Slackware x86_64 15.0 package:
1d74311eebcb7bc260aaeb23eb5ea8e4  openssh-9.9p2-x86_64-1_slack15.0.txz

Slackware -current package:
890e7f1c2dec14d89de25a6653faa10d  n/openssh-9.9p2-i686-1.txz

Slackware x86_64 -current package:
63e31412b101ba3def8a4267d677e188  n/openssh-9.9p2-x86_64-1.txz


Installation instructions:
+------------------------+

Upgrade the package as root:
# upgradepkg openssh-9.9p2-i586-1_slack15.0.txz

Next, restart the sshd daemon:
# sh /etc/rc.d/rc.sshd restart


+-----+

Slackware Linux Security Team
http://slackware.com/gpg-key
security@slackware.com

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