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SUSE Linux 12 SP5 busybox Important Heap Overflow Fix CVE-2026-29004

suse
Calendar Grey May 26, 2026
Dist Suse Esm H88
SUSE issues an important advisory for busybox addressing a heap overflow risk detailed in CVE-2026-29004.
An update that solves one vulnerability can now be installed.

Summary

## This update for busybox fixes the following issue * CVE-2026-29004: a crafted DHCPv6 response can lead to a heap buffer overflow in the DHCPv6 client (bsc#1263989). ## 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-2026-2069=1 * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-2069=1 ## Package List: * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64) * busybox-1.35.0-10.6.1 * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)

Topics%20covered

Topics Covered

security advisory important heap overflow busybox SUSE Linux Enterprise cve-2026-29004

References

* bsc#1263989

Cross-

* CVE-2026-29004

CVSS scores:

* CVE-2026-29004 ( SUSE ): 7.2

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

* CVE-2026-29004 ( SUSE ): 8.1 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

* CVE-2026-29004 ( NVD ): 7.2

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

* CVE-2026-29004 ( NVD ): 8.1 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Affected Products:

* SUSE Linux Enterprise High Performance Computing 12 SP5

* SUSE Linux Enterprise Server 12 SP5

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2069-1
Release Date: 2026-05-26T07:30:14Z
Rating: important

Topics%20covered

Topics Covered

security advisory important heap overflow busybox SUSE Linux Enterprise cve-2026-29004

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