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From: Slackware Security Team <security@slackware.com>
To: slackware-security@slackware.com
Subject: [slackware-security] rsync (SSA:2026-141-02)
Date: Wed, 20 May 2026 22:16:50 -0700 (PDT)
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

[slackware-security]  rsync (SSA:2026-141-02)

New rsync 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/rsync-3.4.3-i586-1_slack15.0.txz:  Upgraded.
  This update fixes security issues:
  TOCTOU symlink race condition allowing local privilege escalation in daemon
  mode without chroot.
  Hostname/ACL bypass on an rsync daemon configured with `daemon chroot = /X`
  in rsyncd.conf when the chroot tree lacks DNS resolution support.
  Integer overflow in the compressed-token decoder enabling remote memory
  disclosure to an authenticated daemon peer.
  Symlink races on path-based system calls in "use chroot = no" daemon mode.
  Out-of-bounds read in the receiver's recv_files() enabling remote
  denial-of-service of any client pulling from a malicious server.
  Off-by-one out-of-bounds stack write in the rsync client's HTTP CONNECT proxy
  handler (`establish_proxy_connection()` in `socket.c`).
  For more information, see:
    https://www.cve.org/CVERecord?id=CVE-2026-29518
    https://www.cve.org/CVERecord?id=CVE-2026-43617
    https://www.cve.org/CVERecord?id=CVE-2026-43618
    https://www.cve.org/CVERecord?id=CVE-2026-43619
    https://www.cve.org/CVERecord?id=CVE-2026-43620
    https://www.cve.org/CVERecord?id=CVE-2026-45232
  (* 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/rsync-3.4.3-i586-1_slack15.0.txz

Updated package for Slackware x86_64 15.0:
ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/rsync-3.4.3-x86_64-1_slack15.0.txz

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/n/rsync-3.4.3-i686-1.txz

Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/n/rsync-3.4.3-x86_64-1.txz


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

Slackware 15.0 package:
89c174591e23e2bd164e3ac9b152b21e  rsync-3.4.3-i586-1_slack15.0.txz

Slackware x86_64 15.0 package:
c6db038250d687970e1f039efb040e45  rsync-3.4.3-x86_64-1_slack15.0.txz

Slackware -current package:
648608b442b5ea5d03e60d4276e78755  n/rsync-3.4.3-i686-1.txz

Slackware x86_64 -current package:
542590e7c3365b568d47b3e4c3de9773  n/rsync-3.4.3-x86_64-1.txz


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

Upgrade the package as root:
# upgradepkg rsync-3.4.3-i586-1_slack15.0.txz


+-----+

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

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