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Security update for containerd SUSE-SU-2026:4923

Security update for containerd SUSE-SU-2026:4923

Suse • October 28, 2026

CVE-2026-47262 ( NVD ): 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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-2026-47262 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVE-2026-53493 ( SUSE ): 6.9 CVSS:4.0/AV:N/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-2026-53493 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVE-2026-53493 ( NVD ): 6.9 CVSS:4.0/AV:N/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-2026-53495 ( SUSE ): 6.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVE-2026-53495 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2026-53495 ( NVD ): 6.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/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-2026-95838 ( SUSE ): 4.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

CVE-2026-95838 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

CVE-2026-95838 ( NVD ): 4.6 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/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

SUSE Linux Enterprise Server 12 SP5

SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security

SUSE Linux Enterprise Server for SAP Applications 12 SP5

An update that solves five vulnerabilities can now be installed.

This update for containerd fixes the following issues:

CVE-2026-39882: go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp: Memory exhaustion via uncapped HTTP response body reading (bsc#1274214).

CVE-2026-47262: Denial of Service (DoS) condition via a maliciously crafted image (bsc#1268441).

CVE-2026-53493: a crafted OCI index graph can force very high CPU/memory usage during PullImage (before container start), causing long ContainerCreating stalls and, at larger sizes, node/runtime instability (bsc#1282669).

CVE-2026-53495: CRI ExecSync Goroutine Leak Leads to Node-Level Denial of Service (bsc#1280007).

CVE-2026-95838: github.com/containerd/containerd: processing of certain image layers causes superlinear time complexity in unpack handler and can lead to DoS (bsc#1285124).

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 Extended Security zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-4923

SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64) containerd-1.7.29-16.119.1 containerd-devel-1.7.29-16.119.1 containerd-ctr-1.7.29-16.119.1

containerd-1.7.29-16.119.1

containerd-devel-1.7.29-16.119.1

containerd-ctr-1.7.29-16.119.1