{"id":"ALPINE-CVE-2023-5870","details":"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.","modified":"2026-09-15T08:17:48.425391404Z","published":"2023-12-10T18:15:07.643Z","upstream":["CVE-2023-5870"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2023-5870"}],"affected":[{"package":{"name":"postgresql14","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/postgresql14?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"14.10-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-5870.json"}},{"package":{"name":"postgresql14","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/postgresql14?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"14.10-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-5870.json"}},{"package":{"name":"postgresql14","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/postgresql14?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"14.10-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-5870.json"}},{"package":{"name":"postgresql14","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/postgresql14?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"14.10-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-5870.json"}},{"package":{"name":"postgresql15","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/postgresql15?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"15.5-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-5870.json"}},{"package":{"name":"postgresql15","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/postgresql15?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"15.5-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-5870.json"}},{"package":{"name":"postgresql15","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/postgresql15?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"15.5-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-5870.json"}},{"package":{"name":"postgresql15","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/postgresql15?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"15.5-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-5870.json"}},{"package":{"name":"postgresql16","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/postgresql16?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"16.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-5870.json"}},{"package":{"name":"postgresql16","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/postgresql16?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"16.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-5870.json"}},{"package":{"name":"postgresql16","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/postgresql16?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"16.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-5870.json"}},{"package":{"name":"postgresql16","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/postgresql16?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"16.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2023-5870.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H"}]}