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SUSE: 2025:0731-1 critical: xorg-x11-server memory flaws

suse
Calendar Grey February 26, 2025
Dist Suse Esm H88
Revisions targeting various vulnerabilities in xorg-x11-server, featuring corrections for buffer overflow incidents and memory handling deficiencies.
* bsc#1237427 * bsc#1237429 * bsc#1237430 * bsc#1237431 * bsc#1237432

Summary

## This update for xorg-x11-server fixes the following issues: * CVE-2025-26594: Use-after-free of the root cursor (bsc#1237427). * CVE-2025-26595: Buffer overflow in XkbVModMaskText() (bsc#1237429). * CVE-2025-26596: Heap overflow in XkbWriteKeySyms() (bsc#1237430). * CVE-2025-26597: Buffer overflow in XkbChangeTypesOfKey() (bsc#1237431). * CVE-2025-26598: Out-of-bounds write in CreatePointerBarrierClient() (bsc#1237432). * CVE-2025-26599: Use of uninitialized pointer in compRedirectWindow() (bsc#1237433). * CVE-2025-26600: Use-after-free in PlayReleasedEvents() (bsc#1237434). * CVE-2025-26601: Use-after-free in SyncInitTrigger() (bsc#1237435). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like

Topics%20covered

Topics Covered

security advisory buffer overflow important heap overflow memory management SUSE CVE xorg-x11-server use-after-free

References

* bsc#1237427

* bsc#1237429

* bsc#1237430

* bsc#1237431

* bsc#1237432

* bsc#1237433

* bsc#1237434

* bsc#1237435

Cross-

* CVE-2025-26594

* CVE-2025-26595

* CVE-2025-26596

* CVE-2025-26597

* CVE-2025-26598

* CVE-2025-26599

* CVE-2025-26600

* CVE-2025-26601

CVSS scores:

* CVE-2025-26594 ( SUSE ): 7.3

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

* CVE-2025-26594 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

* CVE-2025-26594 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-26595 ( SUSE ): 6.8

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

* CVE-2025-26595 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

* CVE-2025-26595 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity
critical
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2025:0731-1
Release Date: 2025-02-26T14:30:17Z
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow important heap overflow memory management SUSE CVE xorg-x11-server use-after-free

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