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[slackware-security]  xorg-server (SSA:2026-104-02)

New xorg-server 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/xorg-server-1.20.14-i586-19_slack15.0.txz:  Rebuilt.
  This update fixes security issues:
  XKB Integer Underflow in XkbSetCompatMap().
  XKB Out-of-bounds Read in CheckSetGeom().
  XSYNC Use-after-free in miSyncTriggerFence().
  XKB Out-of-bounds read in CheckModifierMap().
  XKB Buffer overflow in CheckKeyTypes().
  For more information, see:
    https://lists.x.org/archives/xorg-devel/2026-April/059446.html
    https://www.cve.org/CVERecord?id=CVE-2026-33999
    https://www.cve.org/CVERecord?id=CVE-2026-34000
    https://www.cve.org/CVERecord?id=CVE-2026-34001
    https://www.cve.org/CVERecord?id=CVE-2026-34002
    https://www.cve.org/CVERecord?id=CVE-2026-34003
  (* Security fix *)
patches/packages/xorg-server-xephyr-1.20.14-i586-19_slack15.0.txz:  Rebuilt.
patches/packages/xorg-server-xnest-1.20.14-i586-19_slack15.0.txz:  Rebuilt.
patches/packages/xorg-server-xvfb-1.20.14-i586-19_slack15.0.txz:  Rebuilt.
patches/packages/xorg-server-xwayland-21.1.4-i586-17_slack15.0.txz:  Rebuilt.
  This update fixes security issues:
  XKB Integer Underflow in XkbSetCompatMap().
  XKB Out-of-bounds Read in CheckSetGeom().
  XSYNC Use-after-free in miSyncTriggerFence().
  XKB Out-of-bounds read in CheckModifierMap().
  XKB Buffer overflow in CheckKeyTypes().
  For more information, see:
    https://lists.x.org/archives/xorg-devel/2026-April/059446.html
    https://www.cve.org/CVERecord?id=CVE-2026-33999
    https://www.cve.org/CVERecord?id=CVE-2026-34000
    https://www.cve.org/CVERecord?id=CVE-2026-34001
    https://www.cve.org/CVERecord?id=CVE-2026-34002
    https://www.cve.org/CVERecord?id=CVE-2026-34003
  (* 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 packages for Slackware 15.0:
ftp://ftp.slackware.com/pub/slackware/slackware-15.0/patches/packages/xorg-server-1.20.14-i586-19_slack15.0.txz
ftp://ftp.slackware.com/pub/slackware/slackware-15.0/patches/packages/xorg-server-xephyr-1.20.14-i586-19_slack15.0.txz
ftp://ftp.slackware.com/pub/slackware/slackware-15.0/patches/packages/xorg-server-xnest-1.20.14-i586-19_slack15.0.txz
ftp://ftp.slackware.com/pub/slackware/slackware-15.0/patches/packages/xorg-server-xvfb-1.20.14-i586-19_slack15.0.txz
ftp://ftp.slackware.com/pub/slackware/slackware-15.0/patches/packages/xorg-server-xwayland-21.1.4-i586-17_slack15.0.txz

Updated packages for Slackware x86_64 15.0:
ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/xorg-server-1.20.14-x86_64-19_slack15.0.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/xorg-server-xephyr-1.20.14-x86_64-19_slack15.0.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/xorg-server-xnest-1.20.14-x86_64-19_slack15.0.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/xorg-server-xvfb-1.20.14-x86_64-19_slack15.0.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-15.0/patches/packages/xorg-server-xwayland-21.1.4-x86_64-17_slack15.0.txz

Updated packages for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/x/xorg-server-21.1.22-i686-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/x/xorg-server-xephyr-21.1.22-i686-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/x/xorg-server-xnest-21.1.22-i686-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/x/xorg-server-xvfb-21.1.22-i686-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/x/xorg-server-xwayland-24.1.10-i686-1.txz

Updated packages for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/x/xorg-server-21.1.22-x86_64-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/x/xorg-server-xephyr-21.1.22-x86_64-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/x/xorg-server-xnest-21.1.22-x86_64-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/x/xorg-server-xvfb-21.1.22-x86_64-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/x/xorg-server-xwayland-24.1.10-x86_64-1.txz


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

Slackware 15.0 packages:
9935c5c229bcab4edc593b3431158d3f  xorg-server-1.20.14-i586-19_slack15.0.txz
d626cec0003c688e9ddd8a4354be3865  xorg-server-xephyr-1.20.14-i586-19_slack15.0.txz
1a9f2c1f92980b59a4ad432165e8bb99  xorg-server-xnest-1.20.14-i586-19_slack15.0.txz
28d25dc6926c2acb01bf5fdb13d62b4c  xorg-server-xvfb-1.20.14-i586-19_slack15.0.txz
77e1c32e47857c1613c389317301d9e4  xorg-server-xwayland-21.1.4-i586-17_slack15.0.txz

Slackware x86_64 15.0 packages:
c4762ba3ba5f3f9a65009eeafb366384  xorg-server-1.20.14-x86_64-19_slack15.0.txz
5156374045dd79e29dc9f2abb619a2af  xorg-server-xephyr-1.20.14-x86_64-19_slack15.0.txz
20bf03c1c7f694b57325d5523d0ddf4b  xorg-server-xnest-1.20.14-x86_64-19_slack15.0.txz
40b9de889ed24fa4c0822aaf72c29d6e  xorg-server-xvfb-1.20.14-x86_64-19_slack15.0.txz
3b14892335fb83ec4ad96aa3b0295c23  xorg-server-xwayland-21.1.4-x86_64-17_slack15.0.txz

Slackware -current packages:
6026945c1c8b8e462c5005669c54abd8  x/xorg-server-21.1.22-i686-1.txz
462cb1dba3886f17add9c48b037d766a  x/xorg-server-xephyr-21.1.22-i686-1.txz
c6adf21ce90ee79deae79a5ee42dc94b  x/xorg-server-xnest-21.1.22-i686-1.txz
0d30f26e236abc661ad635c359dbeb9e  x/xorg-server-xvfb-21.1.22-i686-1.txz
6b721a355c506a7e191c3ee7e35d1e4c  x/xorg-server-xwayland-24.1.10-i686-1.txz

Slackware x86_64 -current packages:
dae7283da10ba622614a29e7465a1fe1  x/xorg-server-21.1.22-x86_64-1.txz
f538e1758ace5335e096be3e4c65b6bc  x/xorg-server-xephyr-21.1.22-x86_64-1.txz
27f831896e9cd7ff83a7d4a7fccaf56e  x/xorg-server-xnest-21.1.22-x86_64-1.txz
05ca6daa0237d8e1cfc86a30824d25b7  x/xorg-server-xvfb-21.1.22-x86_64-1.txz
d7c57ad4679456a029d2e0563dff5b5c  x/xorg-server-xwayland-24.1.10-x86_64-1.txz


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

Upgrade the packages as root:
# upgradepkg xorg-server-*.txz


+-----+

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

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