{"items":[{"id":"NVI-00012119","kind":"vulnerability","title":"opencontainers runc contains procfs race condition with a shared volume mount","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-fh74-hm69-rqjw","CVE-2019-19921"],"plain_summary":"GitHub lists this reviewed advisory for github.com/opencontainers/runc. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-1d289af8adc17771fea6ac88b8dbd465"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-08T11:04:27.000Z","value":"5 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-ad3fb7220782dcfb898965a3621139d9"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.433%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.37611. Missing scores are unknown.","source_id":"sr-1d289af8adc17771fea6ac88b8dbd465"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-ad3fb7220782dcfb898965a3621139d9","url":"https://github.com/advisories/GHSA-fh74-hm69-rqjw","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-fh74-hm69-rqjw","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:38.867Z"},{"id":"sr-1d289af8adc17771fea6ac88b8dbd465","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2019-19921","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:27:48.610Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-ad3fb7220782dcfb898965a3621139d9"],"technology":"github.com/opencontainers/runc","known_exclusions":[],"conditions_summary":"### Impact\nBy crafting a malicious root filesystem (with `/proc` being a symlink to a directory which was inside a volume shared with another running container), an attacker in control of both containers can trick `runc` into not correctly configuring the container's security labels and not correctly masking paths inside `/proc` which contain potentially-sensitive information about the host (or even allow for direct attacks against the host).\n\nIn order to exploit this bug, an untrusted user must be able to spawn custom containers with custom mount configurations (such that a volume is shared between two containers). It should be noted that we consider this to be a fairly high level of access for an untrusted user -- and we do not recommend allowing completely untrusted users to have such degrees of access without further restrictions.\n\n### Specific Go Package Affected\ngithub.com/opencontainers/runc/libcontainer\n\n### Patches\nThis vulnerability has been fixed in `1.0.0-rc10`. It should be noted that the current fix is effectively a hot-fix, and there are known ways for it to be worked around (such as making the entire root filesystem a shared volume controlled by another container). ","public_affected_ranges":["< 1.0.0-rc9.0.20200122160610-2fc03cc11c77"]}],"null_published_at":"2026-11-04T18:04:03.125Z","source_updated_at":"2026-10-08T11:04:27.000Z","source_disclosed_at":"2021-05-27T18:41:17.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-11-01T00:58:38.867Z"},{"id":"NVI-00012119","kind":"vulnerability","title":"opencontainers runc contains procfs race condition with a shared volume mount","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-fh74-hm69-rqjw","CVE-2019-19921"],"plain_summary":"GitHub lists this reviewed advisory for github.com/opencontainers/runc. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-53af62b69330b0234d5783ff65ba3df6"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-08T11:04:27.000Z","value":"5 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-ad3fb7220782dcfb898965a3621139d9"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.433%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.37619. Missing scores are unknown.","source_id":"sr-53af62b69330b0234d5783ff65ba3df6"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-ad3fb7220782dcfb898965a3621139d9","url":"https://github.com/advisories/GHSA-fh74-hm69-rqjw","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-fh74-hm69-rqjw","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:38.867Z"},{"id":"sr-53af62b69330b0234d5783ff65ba3df6","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2019-19921","publisher":"FIRST EPSS","observed_at":"2026-11-01T01:39:18.435Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-ad3fb7220782dcfb898965a3621139d9"],"technology":"github.com/opencontainers/runc","known_exclusions":[],"conditions_summary":"### Impact\nBy crafting a malicious root filesystem (with `/proc` being a symlink to a directory which was inside a volume shared with another running container), an attacker in control of both containers can trick `runc` into not correctly configuring the container's security labels and not correctly masking paths inside `/proc` which contain potentially-sensitive information about the host (or even allow for direct attacks against the host).\n\nIn order to exploit this bug, an untrusted user must be able to spawn custom containers with custom mount configurations (such that a volume is shared between two containers). It should be noted that we consider this to be a fairly high level of access for an untrusted user -- and we do not recommend allowing completely untrusted users to have such degrees of access without further restrictions.\n\n### Specific Go Package Affected\ngithub.com/opencontainers/runc/libcontainer\n\n### Patches\nThis vulnerability has been fixed in `1.0.0-rc10`. It should be noted that the current fix is effectively a hot-fix, and there are known ways for it to be worked around (such as making the entire root filesystem a shared volume controlled by another container). ","public_affected_ranges":["< 1.0.0-rc9.0.20200122160610-2fc03cc11c77"]}],"null_published_at":"2026-11-01T22:58:19.127Z","source_updated_at":"2026-10-08T11:04:27.000Z","source_disclosed_at":"2021-05-27T18:41:17.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-11-01T00:58:38.867Z"},{"id":"NVI-00012119","kind":"vulnerability","title":"opencontainers runc contains procfs race condition with a shared volume mount","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-fh74-hm69-rqjw","CVE-2019-19921"],"plain_summary":"GitHub lists this reviewed advisory for github.com/opencontainers/runc. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-ad3fb7220782dcfb898965a3621139d9"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-08T11:04:27.000Z","value":"5 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-ad3fb7220782dcfb898965a3621139d9"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-ad3fb7220782dcfb898965a3621139d9","url":"https://github.com/advisories/GHSA-fh74-hm69-rqjw","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-fh74-hm69-rqjw","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:38.867Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-ad3fb7220782dcfb898965a3621139d9"],"technology":"github.com/opencontainers/runc","known_exclusions":[],"conditions_summary":"### Impact\nBy crafting a malicious root filesystem (with `/proc` being a symlink to a directory which was inside a volume shared with another running container), an attacker in control of both containers can trick `runc` into not correctly configuring the container's security labels and not correctly masking paths inside `/proc` which contain potentially-sensitive information about the host (or even allow for direct attacks against the host).\n\nIn order to exploit this bug, an untrusted user must be able to spawn custom containers with custom mount configurations (such that a volume is shared between two containers). It should be noted that we consider this to be a fairly high level of access for an untrusted user -- and we do not recommend allowing completely untrusted users to have such degrees of access without further restrictions.\n\n### Specific Go Package Affected\ngithub.com/opencontainers/runc/libcontainer\n\n### Patches\nThis vulnerability has been fixed in `1.0.0-rc10`. It should be noted that the current fix is effectively a hot-fix, and there are known ways for it to be worked around (such as making the entire root filesystem a shared volume controlled by another container). ","public_affected_ranges":["< 1.0.0-rc9.0.20200122160610-2fc03cc11c77"]}],"null_published_at":"2026-11-01T01:03:56.631Z","source_updated_at":"2026-10-08T11:04:27.000Z","source_disclosed_at":"2021-05-27T18:41:17.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-01T00:58:38.867Z"}],"next_cursor":null,"snapshot_revision":"42594"}