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SUSE Linux 12 SP5 Freeipmi Important Memory Handling Issue CVE-2026-33554

suse
Calendar Grey May 7, 2026
Dist Suse Esm H88
Update for freeipmi addresses important memory handling issue, fixing stack buffer overflows and malformed payloads.
An update that solves one vulnerability can now be installed.

Summary

## This update for freeipmi fixes the following issue: * CVE-2026-33554: improper memory handling and data validation can lead to stack buffer overflows and acceptance of malformed payloads/responses (bsc#1260414). ## 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 12 SP5 LTSS zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-1754=1 * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-1754=1 ## Package List: * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 x86_64) * freeipmi-debuginfo-1.5.7-3.6.1 * freeipmi-1.5.7-3.6.1

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important memory handling freeipmi

References

* bsc#1260414

Cross-

* CVE-2026-33554

CVSS scores:

* CVE-2026-33554 ( SUSE ): 5.9

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

* CVE-2026-33554 ( SUSE ): 7.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H

* CVE-2026-33554 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:

* SUSE Linux Enterprise High Performance Computing 12 SP5

* SUSE Linux Enterprise Server 12 SP5

* SUSE Linux Enterprise Server 12 SP5 LTSS

* SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security

* SUSE Linux Enterprise Server for SAP Applications 12 SP5

An update that solves one vulnerability can now be installed.

##

* https://www.suse.com/security/cve/CVE-2026-33554.html

* https://bugzilla.suse.com/show_bug.cgi?id=1260414

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:1754-1
Release Date: 2026-05-07T13:54:30Z
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important memory handling freeipmi

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