{"id":"ALPINE-CVE-2021-3470","details":"A heap overflow issue was found in Redis in versions before 5.0.10, before 6.0.9 and before 6.2.0 when using a heap allocator other than jemalloc or glibc's malloc, leading to potential out of bound write or process crash. Effectively this flaw does not affect the vast majority of users, who use jemalloc or glibc malloc.","modified":"2026-09-15T08:17:46.665295292Z","published":"2021-03-31T14:15:20.937Z","upstream":["CVE-2021-3470"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2021-3470"}],"affected":[{"package":{"name":"redis","ecosystem":"Alpine:v3.12","purl":"pkg:apk/alpine/redis?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"5.0.11-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-3470.json"}},{"package":{"name":"redis","ecosystem":"Alpine:v3.13","purl":"pkg:apk/alpine/redis?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"6.0.9-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-3470.json"}},{"package":{"name":"redis","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/redis?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"6.2.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-3470.json"}},{"package":{"name":"redis","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/redis?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"6.2.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-3470.json"}},{"package":{"name":"redis","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/redis?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"6.2.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-3470.json"}},{"package":{"name":"redis","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/redis?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"6.2.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-3470.json"}},{"package":{"name":"redis","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/redis?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"6.2.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-3470.json"}},{"package":{"name":"redis","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/redis?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"6.2.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-3470.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:L"}]}