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Podman: untrusted image labels allow auto-update to restart arbitrary systemd units

CVSS 3.1 6.5 MEDIUMCheck source for fixed versionsKEV status unknown

Historical advisory recorded 13 Nov 2026 14:56:54 UTC. Read the latest advisory.

cve-program · CVE-2026-121885

Published

A flaw was found in Podman. An attacker can trigger a Denial of Service (DoS) by supplying a container image containing crafted metadata labels. Podman's auto-update mechanism improperly trusts these image labels to determine which system services to restart. If a user runs the malicious container and auto-update processes it, arbitrary system services are restarted with the user's privileges, potentially allowing an attacker to shut down the host system when Podman runs with administrative privileges.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-121885

Published

podman

https://github.com/podman-container-tools/podman

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "versions": [
                        {
                            "status": "affected",
                            "version": "1.8.2",
                            "lessThan": "5.8.10",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "6.0.0",
                            "lessThan": "6.2.0",
                            "versionType": "semver"
                        }
                    ],
                    "packageName": "podman",
                    "collectionURL": "https://github.com/podman-container-tools/podman",
                    "defaultStatus": "unaffected"
                }

podman-main

https://catalog.redhat.com/software/containers/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Hardened Images",
                    "collectionURL": "https://catalog.redhat.com/software/containers/",
                    "packageName": "podman-main",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "6.1.4-1.4.hum1",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:hummingbird:1"
                    ]
                }

podman

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 10",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "podman",
                    "defaultStatus": "affected",
                    "cpes": [
                        "cpe:/a:redhat:enterprise_linux:10"
                    ]
                }

container-tools:rhel8/podman

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 8",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "container-tools:rhel8/podman",
                    "defaultStatus": "affected",
                    "cpes": [
                        "cpe:/a:redhat:enterprise_linux:8"
                    ]
                }

podman

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 9",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "podman",
                    "defaultStatus": "affected",
                    "cpes": [
                        "cpe:/a:redhat:enterprise_linux:9"
                    ]
                }

podman

https://access.redhat.com/downloads/content/package-browser/

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Red Hat",
                    "product": "Red Hat OpenShift Container Platform 4",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "podman",
                    "defaultStatus": "affected",
                    "cpes": [
                        "cpe:/a:redhat:openshift:4"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

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Sources read 15 Nov 22:09 UTC · 274 of 275 readable · 268 fully read · documentation 469/469 current