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SUSE Mesa Moderate Out-of-Bounds Memory Access Vuln 2026-1839-1

suse
Calendar Grey May 13, 2026
Dist Suse Esm H88
Update fixes a moderate risk out-of-bounds memory access in Mesa for SUSE systems, enhancing system security.
An update that solves one vulnerability can now be installed.

Summary

## This update for Mesa fixes the following issue: * CVE-2026-40393: out-of-bounds memory access can occur in WebGPU because the amount of to-be-allocated data depends on an untrusted party (bsc#1261998). ## 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 15.4 zypper in -t patch SUSE-2026-1839=1 * SUSE Linux Enterprise Micro for Rancher 5.4 zypper in -t patch SUSE-SLE-Micro-5.4-2026-1839=1 * SUSE Linux Enterprise Micro 5.4 zypper in -t patch SUSE-SLE-Micro-5.4-2026-1839=1 * Basesystem Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-1839=1 * SUSE Linux Enterprise Workstation Extension 15 SP7

Topics%20covered

Topics Covered

security advisory moderate SuSE memory access out-of-bounds mesa

References

* bsc#1261998

Cross-

* CVE-2026-40393

CVSS scores:

* CVE-2026-40393 ( SUSE ): 6.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

* CVE-2026-40393 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-40393 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products:

* Basesystem Module 15-SP7

* openSUSE Leap 15.4

* SUSE Linux Enterprise Desktop 15 SP7

* SUSE Linux Enterprise Micro 5.3

* SUSE Linux Enterprise Micro 5.4

* SUSE Linux Enterprise Micro for Rancher 5.3

* SUSE Linux Enterprise Micro for Rancher 5.4

* SUSE Linux Enterprise Real Time 15 SP7

* SUSE Linux Enterprise Server 15 SP7

* SUSE Linux Enterprise Server for SAP Applications 15 SP7

* SUSE Linux Enterprise Workstation Extension 15 SP7

An update that solves one vulnerability can now be installed.

##

Announcement ID: SUSE-SU-2026:1839-1
Release Date: 2026-05-13T09:13:57Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate SuSE memory access out-of-bounds mesa

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