From: Slackware Security Team <security@slackware.com>
To: slackware-security@slackware.com
Subject: [slackware-security] proftpd (SSA:2026-189-02)
Date: Wed, 8 Jul 2026 14:56:04 -0700 (PDT)





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[slackware-security] proftpd (SSA:2026-189-02)

New proftpd 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/proftpd-1.3.9c-i586-1_slack15.0.txz: Upgraded.
This update fixes bugs and security issues:
ExecEnviron values not passed due to regression since 1.3.8.d.
Stack buffer overflow in MLSD/MLST handling for long path names.
MaxTransfersPerUser no longer enforces configured limits.
AdminControlsACLs for config, get actions not honored as they should be.
Memcached/Redis-cached JSON TLS session/OCSP entries decoded into fixed
buffers without bounds checking.
RewriteMap unescape builtin use causes one-byte out-of-bounds write,
fails to reject illegal characters.
SQL group name lookup concatenates client-provided group names without
escaping.
Authenticated SFTP sessions can overflow the SFTP packet buffer.
Default Controls socket ACLs unintentionally allow all users access for
sending Controls requests.
(* 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/proftpd-1.3.9c-i586-1_slack15.0.txz

Updated package for Slackware x86_64 15.0:
ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/proftpd-1.3.9c-x86_64-1_slack15.0.txz

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/n/proftpd-1.3.9c-i686-1.txz

Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/n/proftpd-1.3.9c-x86_64-1.txz


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

Slackware 15.0 package:
5e957bcf4abf13fc957520d6987eb954 proftpd-1.3.9c-i586-1_slack15.0.txz

Slackware x86_64 15.0 package:
7506a63751fc4996465a2c83e9174eae proftpd-1.3.9c-x86_64-1_slack15.0.txz

Slackware -current package:
eb1aa81c4db3a984dc39f9e75438e067 n/proftpd-1.3.9c-i686-1.txz

Slackware x86_64 -current package:
d28ec7ff480ab4121deb30c59c73e9ca n/proftpd-1.3.9c-x86_64-1.txz


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

Upgrade the package as root:
# upgradepkg proftpd-1.3.9c-i586-1_slack15.0.txz


+-----+

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

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