{"id":"ALPINE-CVE-2021-27212","details":"In OpenLDAP through 2.4.57 and 2.5.x through 2.5.1alpha, an assertion failure in slapd can occur in the issuerAndThisUpdateCheck function via a crafted packet, resulting in a denial of service (daemon exit) via a short timestamp. This is related to schema_init.c and checkTime.","modified":"2026-08-27T22:18:01.553074630Z","published":"2021-02-14T03:15:12.957Z","upstream":["CVE-2021-27212"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2021-27212"}],"affected":[{"package":{"name":"openldap","ecosystem":"Alpine:v3.12","purl":"pkg:apk/alpine/openldap?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.50-r2"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-27212.json"}},{"package":{"name":"openldap","ecosystem":"Alpine:v3.13","purl":"pkg:apk/alpine/openldap?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.57-r1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-27212.json"}},{"package":{"name":"openldap","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/openldap?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.57-r1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-27212.json"}},{"package":{"name":"openldap","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/openldap?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.57-r1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-27212.json"}},{"package":{"name":"openldap","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/openldap?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.57-r1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-27212.json"}},{"package":{"name":"openldap","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/openldap?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.57-r1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-27212.json"}},{"package":{"name":"openldap","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/openldap?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.57-r1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-27212.json"}},{"package":{"name":"openldap","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/openldap?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.57-r1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-27212.json"}},{"package":{"name":"openldap","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/openldap?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.57-r1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-27212.json"}},{"package":{"name":"openldap","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/openldap?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.57-r1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-27212.json"}},{"package":{"name":"openldap","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/openldap?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.57-r1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-27212.json"}},{"package":{"name":"openldap","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/openldap?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.57-r1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-27212.json"}},{"package":{"name":"openldap","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/openldap?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.57-r1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-27212.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}