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SUSE wpa_supplicant Moderate Security Issue CVE-2026-58374 Fix

suse
Calendar Grey July 27, 2026
Scroller Suse
An update for SUSE addresses a moderate security issue in wpa_supplicant, preventing unauthorized out-of-bounds write access.
SUSE released a security update for wpa_supplicant addressing CVE-2026-58374, which enables out-of-bounds writes through unverified management frame processing, affecting specified...

Summary

## This update for wpa_supplicant fixes the following issues * CVE-2026-58374: Fixed a missing bounds check in AP-mode Wi-Fi 7 (IEEE 802.11be) MLO association request processing allows an unauthenticated user to send a crafted management frame and cause an out-of-bounds write (bsc#1269892). ## 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: * SUSE Linux Enterprise Server for SAP applications 16.0 zypper in -t patch SUSE-SLES-16.0-1326=1 * SUSE Linux Enterprise Server 16.0 zypper in -t patch SUSE-SLES-16.0-1326=1 ## Package List: * SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64) * wpa_supplicant-debuginfo-2.11-160000.4.1

Topics%20covered

Topics Covered

security advisory moderate SuSE wpa_supplicant unauthenticated access bounds check

References

* bsc#1258365

* bsc#1269892

Cross-

* CVE-2026-58374

CVSS scores:

* CVE-2026-58374 ( SUSE ): 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-58374 ( NVD ): 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-58374 ( NVD ): 7.1 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Affected Products:

* SUSE Linux Enterprise Server 16.0

* SUSE Linux Enterprise Server for SAP applications 16.0

An update that solves one vulnerability and has one fix can now be installed.

##

* https://www.suse.com/security/cve/CVE-2026-58374.html

* https://bugzilla.suse.com/show_bug.cgi?id=1258365

* https://bugzilla.suse.com/show_bug.cgi?id=1269892

Severity
moderate
Lowest
Low
Medium
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Critical

Announcement ID: SUSE-SU-2026:22851-1
Release Date: 2026-07-22T12:39:34Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate SuSE wpa_supplicant unauthenticated access bounds check

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