SUSE update for libX11

1) Buffer overflow

EUVDB-ID: #VU104193

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-26597

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the XkbChangeTypesOfKey() function. A local user can trigger memory corruption and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package libX11 to the latest version.

Vulnerable software versions

SUSE Linux Enterprise High Performance Computing LTSS 15: SP3 - SP5

SUSE Linux Enterprise High Performance Computing ESPOS 15: SP4 - SP5

SUSE Linux Enterprise Server 15 SP5: LTSS

SUSE Linux Enterprise Server 15 SP3: LTSS

SUSE Linux Enterprise Server 15 SP4: LTSS

SUSE Linux Enterprise Micro: 5.2 - 5.5

SUSE Linux Enterprise Micro for Rancher: 5.2 - 5.4

SUSE Linux Enterprise Server for SAP Applications 15: SP3 - SP5

SUSE Linux Enterprise Server 15: SP3 - SP5

SUSE Linux Enterprise High Performance Computing 15: SP3 - SP5

SUSE Enterprise Storage: 7.1

SUSE Manager Retail Branch Server: 4.3

SUSE Manager Server: 4.3

SUSE Manager Proxy: 4.3

libX11-xcb1-32bit-debuginfo: before 1.6.5-150000.3.36.1

libX11-6-32bit-debuginfo: before 1.6.5-150000.3.36.1

libX11-xcb1-32bit: before 1.6.5-150000.3.36.1

libX11-6-32bit: before 1.6.5-150000.3.36.1

libX11-devel: before 1.6.5-150000.3.36.1

libX11-data: before 1.6.5-150000.3.36.1

libX11-6-debuginfo: before 1.6.5-150000.3.36.1

libX11-6: before 1.6.5-150000.3.36.1

libX11-debugsource: before 1.6.5-150000.3.36.1

libX11-xcb1-debuginfo: before 1.6.5-150000.3.36.1

libX11-xcb1: before 1.6.5-150000.3.36.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_ltss_15:SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_ltss_15:SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_ltss_15:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_espos_15:SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_espos_15:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_15_sp5:LTSS:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_15_sp3:LTSS:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_15_sp4:LTSS:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_micro:5.2:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_micro:5.3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_micro_for_rancher:5.2:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_enterprise_storage:7.1:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_retail_branch_server:4.3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_server:4.3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_proxy:4.3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:libx11-xcb1-32bit-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:libx11-6-32bit-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:libx11-xcb1-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:libx11-6-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:libx11-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:libx11-data:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:libx11-6-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:libx11-6:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:libx11-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:libx11-xcb1-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:libx11-xcb1:*:*:*:*:*:suse_linux:*:*

External links

http://www.suse.com/support/update/announcement/2025/suse-su-20250757-1/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.