OPENSUSE-SU-2026:21213-1: containerd security update

OPENSUSE-SU-2026:21213-1, released July 2, 2026, fixes 10 CVEs in containerd (version 1.7.33-160000.1.1). None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent

CVEs closed

1 rated Critical

Exploited

None reported

Highest CVSS

10.0

Base score, 0 to 10

Highest EPSS

0.0183

79th percentile

Priority of the 10 CVEs

Patch now 0
                                Urgent 1
                                High 7
                                Routine 2

Fixed package versions

Product	Release	Fixed in
containerd	opensuse-leap 16.0	1.7.33-160000.1.1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Urgent	CVE-2026-39821	Invoking failure to reject ASCII-only Punycode-encoded labels in golang.org/x/net/idna	10.0	0.0183	None reported
High	CVE-2026-33186	gRPC-Go has an authorization bypass via missing leading slash in :path	9.1	0.0162	None reported
High	CVE-2026-33814	Infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE in net/http/internal/http2 in golang.org/x/net	7.5	0.0084	None reported
High	CVE-2026-34986	rh-podman-desktop: Go JOSE provides an implementation of the Javascript Object Signing and Encryption set of standards in Go, including...	9.1	0.0066	None reported
High	CVE-2026-35469	SpdyStream: DOS on CRI	8.1	0.0066	None reported
High	CVE-2026-53488	containerd: CRI plugin propagates labels from an image config to a container without validation (bsc#1268430).	8.8	0.0018	None reported
High	CVE-2024-25621	containerd affected by a local privilege escalation via wide permissions on CRI directory	7.8	0.0017	None reported
High	CVE-2026-46680	containerd: containerd is an open-source container runtime	7.8	0.0016	None reported
Routine	CVE-2026-47262	containerd: Denial of Service (DoS) condition via a maliciously crafted image (bsc#1268441).	5.5	0.0027	None reported
Routine	CVE-2025-64329	containerd CRI server: Host memory exhaustion through Attach goroutine leak	5.5	0.0017	None reported

Also fixes CVE-2026-39821

OPENSUSE-SU-2026:22158-1
docker on opensuse-leap 16.0
SUSE-SU-2026:22558-1
google-osconfig-agent on sles 16.0
OPENSUSE-SU-2026:22026-1
prometheus-blackbox_exporter on opensuse-leap 16.0
SUSE-SU-2026:4606-1
golang-github-prometheus-prometheus on sles 15.7
OPENSUSE-SU-2026:21205-1
docker-stable on opensuse-leap 16.0
SUSE-SU-2026:23625-1
govulncheck-vulndb on sles 16.0
OPENSUSE-SU-2026:21761-1
govulncheck-vulndb on opensuse-leap 16.0
OPENSUSE-SU-2026:21824-1
containerized-data-importer1.65 on opensuse-leap 16.0

Vendor advisory

https://osv.dev/vulnerability/openSUSE-SU-2026:21213-1

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