SUSE-SU-2026:5201-1: moderate: Security update for containerd
SLE-SECURITY-UPDATES
null at suse.de
Wed Nov 11 21:38:27 UTC 2026
# Security update for containerd
Announcement ID: SUSE-SU-2026:5201-1
Release Date: 2026-11-11T12:45:11Z
Rating: moderate
References:
* bsc#1268441
* bsc#1274214
* bsc#1280007
* bsc#1282669
* bsc#1285124
Cross-References:
* CVE-2026-39882
* CVE-2026-47262
* CVE-2026-53493
* CVE-2026-53495
* CVE-2026-95838
CVSS scores:
* CVE-2026-39882 ( SUSE ): 5.3 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-39882 ( NVD ): 5.3 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-47262 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
* 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
Affected Products:
* Basesystem Module 15-SP7
* Containers Module 15-SP7
* SUSE Linux Enterprise Desktop 15 SP7
* SUSE Linux Enterprise Micro 5.3
* SUSE Linux Enterprise Micro 5.4
* SUSE Linux Enterprise Micro 5.5
* SUSE Linux Enterprise Micro for Rancher 5.3
* SUSE Linux Enterprise Micro for Rancher 5.4
* SUSE Linux Enterprise Real Time 15 SP7
* SUSE Linux Enterprise Server 15 SP7
* SUSE Linux Enterprise Server for SAP Applications 15 SP7
An update that solves five vulnerabilities can now be installed.
## Description:
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).
## 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 Micro for Rancher 5.3
zypper in -t patch SUSE-SLE-Micro-5.3-2026-5201
* SUSE Linux Enterprise Micro 5.3
zypper in -t patch SUSE-SLE-Micro-5.3-2026-5201
* SUSE Linux Enterprise Micro for Rancher 5.4
zypper in -t patch SUSE-SLE-Micro-5.4-2026-5201
* SUSE Linux Enterprise Micro 5.4
zypper in -t patch SUSE-SLE-Micro-5.4-2026-5201
* SUSE Linux Enterprise Micro 5.5
zypper in -t patch SUSE-SLE-Micro-5.5-2026-5201
* Basesystem Module 15-SP7
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-5201
* Containers Module 15-SP7
zypper in -t patch SUSE-SLE-Module-Containers-15-SP7-2026-5201
## Package List:
* SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64)
* containerd-1.7.29-150000.152.1
* SUSE Linux Enterprise Micro 5.3 (aarch64 s390x x86_64)
* containerd-1.7.29-150000.152.1
* SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 s390x x86_64)
* containerd-1.7.29-150000.152.1
* SUSE Linux Enterprise Micro 5.4 (aarch64 s390x x86_64)
* containerd-1.7.29-150000.152.1
* SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)
* containerd-1.7.29-150000.152.1
* Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
* containerd-1.7.29-150000.152.1
* Containers Module 15-SP7 (aarch64 ppc64le s390x x86_64)
* containerd-ctr-1.7.29-150000.152.1
* containerd-devel-1.7.29-150000.152.1
## References:
* https://www.suse.com/security/cve/CVE-2026-39882.html
* https://www.suse.com/security/cve/CVE-2026-47262.html
* https://www.suse.com/security/cve/CVE-2026-53493.html
* https://www.suse.com/security/cve/CVE-2026-53495.html
* https://www.suse.com/security/cve/CVE-2026-95838.html
* https://bugzilla.suse.com/show_bug.cgi?id=1268441
* https://bugzilla.suse.com/show_bug.cgi?id=1274214
* https://bugzilla.suse.com/show_bug.cgi?id=1280007
* https://bugzilla.suse.com/show_bug.cgi?id=1282669
* https://bugzilla.suse.com/show_bug.cgi?id=1285124
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