{"id":"ALPINE-CVE-2021-3393","details":"An information leak was discovered in postgresql in versions before 13.2, before 12.6 and before 11.11. A user having UPDATE permission but not SELECT permission to a particular column could craft queries which, under some circumstances, might disclose values from that column in error messages. An attacker could use this flaw to obtain information stored in a column they are allowed to write but not read.","modified":"2026-08-27T22:18:01.619081403Z","published":"2021-04-01T14:15:13.657Z","upstream":["CVE-2021-3393"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2021-3393"}],"affected":[{"package":{"name":"postgresql","ecosystem":"Alpine:v3.10","purl":"pkg:apk/alpine/postgresql?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12.0"},{"fixed":"11.11-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3393.json"}},{"package":{"name":"postgresql","ecosystem":"Alpine:v3.11","purl":"pkg:apk/alpine/postgresql?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12.0"},{"fixed":"12.6-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3393.json"}},{"package":{"name":"postgresql","ecosystem":"Alpine:v3.12","purl":"pkg:apk/alpine/postgresql?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12.0"},{"fixed":"12.6-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3393.json"}},{"package":{"name":"postgresql","ecosystem":"Alpine:v3.13","purl":"pkg:apk/alpine/postgresql?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12.0"},{"fixed":"13.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3393.json"}},{"package":{"name":"postgresql","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/postgresql?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12.0"},{"fixed":"13.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3393.json"}},{"package":{"name":"postgresql","ecosystem":"Alpine:v3.9","purl":"pkg:apk/alpine/postgresql?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12.0"},{"fixed":"11.11-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3393.json"}},{"package":{"name":"postgresql13","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/postgresql13?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"13.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3393.json"}},{"package":{"name":"postgresql13","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/postgresql13?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"13.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3393.json"}},{"package":{"name":"postgresql14","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/postgresql14?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"13.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3393.json"}},{"package":{"name":"postgresql14","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/postgresql14?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"13.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3393.json"}},{"package":{"name":"postgresql14","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/postgresql14?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"13.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3393.json"}},{"package":{"name":"postgresql14","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/postgresql14?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"13.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3393.json"}},{"package":{"name":"postgresql15","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/postgresql15?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"13.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3393.json"}},{"package":{"name":"postgresql15","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/postgresql15?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"13.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-3393.json"}},{"package":{"name":"postgresql15","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/postgresql15?arch=s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