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SUSE important wicked Security Update CVE-2026-71401 CVE-2026

SUSE important wicked Security Update CVE-2026-71401 CVE-2026

Linuxsecurity •LinuxSecurity Advisories • August 28, 2026

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## This update for wicked fixes the following issue: * CVE-2026-71401: out-of-bounds read due to IP length underflow in checksum handling of DHCPv4 capture parsing (bsc#1274627). * CVE-2026-71402: out-of-bounds read due to DHCP option reader being extended beyond provided allocation in DHCPv4 capture parsing (bsc#1274627). ## 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 15 SP5 LTSS zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-3839=1 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-3839=1

## This update for wicked fixes the following issue: * CVE-2026-71401: out-of-bounds read due to IP length underflow in checksum handling of DHCPv4 capture parsing (bsc#1274627). * CVE-2026-71402: out-of-bounds read due to DHCP option reader being extended beyond provided allocation in DHCPv4 capture parsing (bsc#1274627). ## 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 15 SP5 LTSS zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-3839=1 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-3839=1

* CVE-2026-71401 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-71401 ( NVD ): 5.3

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/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-2026-71402 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

* CVE-2026-71402 ( NVD ): 5.3

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/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-2026-71402 ( NVD ): 5.4 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Announcement ID: SUSE-SU-2026:3839-1 Release Date: 2026-08-27T12:21:01Z Rating: important

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