Alerts This Week
Warning Icon 1 916
Alerts This Week
Warning Icon 1 916

openSUSE Leap 15.6 Xwayland Important Security Issues 2026-1329-1

suse
Calendar Grey April 15, 2026
Dist Suse Esm H88
SUSE's xwayland update addresses multiple important security issues including buffer overflows and integer underflows.
An update that solves five vulnerabilities can now be installed.

Summary

## 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). ## 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)

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important out-of-bounds Xwayland

References

* bsc#1260922

* bsc#1260923

* bsc#1260924

* bsc#1260925

* bsc#1260926

Cross-

* CVE-2026-33999

* CVE-2026-34000

* CVE-2026-34001

* CVE-2026-34002

* CVE-2026-34003

CVSS scores:

* CVE-2026-33999 ( SUSE ): 6.9

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N

* CVE-2026-33999 ( SUSE ): 6.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H

* CVE-2026-34000 ( SUSE ): 6.9

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N

* CVE-2026-34000 ( SUSE ): 6.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H

* CVE-2026-34001 ( SUSE ): 7.3

CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

* CVE-2026-34001 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-34002 ( SUSE ): 6.9

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:1329-1
Release Date: 2026-04-14T17:06:21Z
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important out-of-bounds Xwayland

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here