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openSUSE Leap 15.6 Update SUSE-2026-1351-2 Major Wayland Enhancements

opensuse
Calendar Grey April 15, 2026
Dist Opensuse Esm H88
SUSE Security advisory addresses five vulnerabilities in Xwayland that require installation for safety.
An update that solves five vulnerabilities can now be installed.

Description

This update for xwayland fixes the following issues:

* CVE-2026-33999: XKB integer underflow in XkbSetCompatMap() (bsc#1260922).

* CVE-2026-34000: XKB out-of-bounds read in CheckSetGeom() (bsc#1260923).

* CVE-2026-34001: XSYNC use-after-free in miSyncTriggerFence() (bsc#1260924).

* CVE-2026-34002: XKB out-of-bounds read in CheckModifierMap() (bsc#1260925).

* CVE-2026-34003: XKB buffer overflow in CheckKeyTypes() (bsc#1260926).

Topics%20covered

Topics Covered

security advisory security issue buffer overflow important OpenSUSE Xwayland

Patch

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like

YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

* openSUSE Leap 15.6

zypper in -t patch SUSE-2026-1329=1 openSUSE-SLE-15.6-2026-1329=1

Package List

* openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)

* xwayland-debuginfo-24.1.1-150600.5.23.1

* xwayland-24.1.1-150600.5.23.1

* xwayland-debugsource-24.1.1-150600.5.23.1

* xwayland-devel-24.1.1-150600.5.23.1

References

* bsc#1260922

* bsc#1260923

* bsc#1260924

* bsc#1260925

* bsc#1260926

## References:

* https://www.suse.com/security/cve/CVE-2026-33999.html

* https://www.suse.com/security/cve/CVE-2026-34000.html

* https://www.suse.com/security/cve/CVE-2026-34001.html

* https://www.suse.com/security/cve/CVE-2026-34002.html

* https://www.suse.com/security/cve/CVE-2026-34003.html

* https://bugzilla.suse.com/show_bug.cgi?id=1260922

* https://bugzilla.suse.com/show_bug.cgi?id=1260923

* https://bugzilla.suse.com/show_bug.cgi?id=1260924

* https://bugzilla.suse.com/show_bug.cgi?id=1260925

* https://bugzilla.suse.com/show_bug.cgi?id=1260926

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:1329-1
Release Date: 2026-04-14T17:06:21Z
Affected Products: * openSUSE Leap 15.6

Topics%20covered

Topics Covered

security advisory security issue buffer overflow important OpenSUSE Xwayland

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