{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-5870", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2023-10-31T03:56:58.366Z", "datePublished": "2023-12-10T17:58:30.213Z", "dateUpdated": "2026-03-02T17:25:57.356Z"}, "containers": {"cna": {"title": "Postgresql: role pg_signal_backend can signal certain superuser processes.", "metrics": [{"other": {"content": {"value": "Low", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 2.2, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "A flaw was found in PostgreSQL involving the pg_cancel_backend role that signals background workers, including the logical replication launcher, autovacuum workers, and the autovacuum launcher. Successful exploitation requires a non-core extension with a less-resilient background worker and would affect that specific background worker only. This issue may allow a remote high privileged user to launch a denial of service (DoS) attack."}], "affected": [{"vendor": "Red Hat", "product": "Red Hat Advanced Cluster Security 4.2", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "advanced-cluster-security/rhacs-central-db-rhel8", "defaultStatus": "affected", "versions": [{"version": "4.2.4-6", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:advanced_cluster_security:4.2::el8"]}, {"vendor": "Red Hat", "product": "Red Hat Advanced Cluster Security 4.2", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "advanced-cluster-security/rhacs-main-rhel8", "defaultStatus": "affected", "versions": [{"version": "4.2.4-6", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:advanced_cluster_security:4.2::el8"]}, {"vendor": "Red Hat", "product": "Red Hat Advanced Cluster Security 4.2", "collectionURL": 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Analysis
Debian DLA
Debian DSA
EUVD
Ubuntu USN
MITRE
Vulnrichment
NVD
Redhat
OpenCVE Enrichment