{"id":"CVE-2020-21468","aliases":["DEBIAN-CVE-2020-21468","EUVD-2020-14240","GHSA-vjmv-w2p6-c95q"],"status":"disputed","title":"A segmentation fault in the redis-server component of Redis 5.0.7 leads to a denial of service ...","description":"A segmentation fault in the redis-server component of Redis 5.0.7 leads to a denial of service (DOS). NOTE: the vendor cannot reproduce this issue in a released version, such as 5.0.7.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01202,"percentile":0.68615,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-09-20T15:11:37Z","modified":"2026-10-26T12:00:10Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"redis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5:7.0.11-1","5:7.0.11-1+deb12u1","5:7.0.12-1","5:7.0.12-2","5:7.0.13-1","5:7.0.13-2","5:7.0.14-1","5:7.0.14-2","5:7.0.15-1","5:7.0.15-1~deb12u1","5:7.0.15-1~deb12u10","5:7.0.15-1~deb12u2","5:7.0.15-1~deb12u3","5:7.0.15-1~deb12u4","5:7.0.15-1~deb12u5","5:7.0.15-1~deb12u6","5:7.0.15-1~deb12u7","5:7.0.15-1~deb12u8","5:7.0.15-1~deb12u9","5:7.0.15-2","5:7.0.15-3","5:7.0.15-3.1","5:7.2-rc2-1","5:7.2-rc3-1","5:7.2.0-1","5:7.2.0-2","5:7.2.1-1","5:7.2.1-2","5:7.2.2-1","5:7.2.2-2","5:7.2.3-1","5:7.2.4-1","5:7.2.5-1","5:7.2.5-2","5:7.2.5-3","5:7.2~rc1-1","5:8.0.0-1","5:8.0.0-2","5:8.0.2-2","5:8.0.2-3","5:8.0.4-1","5:8.0.5-1","5:8.0.6-1","5:8.0.6-2","5:8.0.6-3","5:8.4.0-1","5:8.6.1-1","5:8.6.2-1","5:8.6.3-1"]},{"source":"osv","ecosystem":"Debian:13","package":"redis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5:8.0.2-3","5:8.0.2-3+deb13u1","5:8.0.2-3+deb13u2","5:8.0.2-3+deb13u3","5:8.0.4-1","5:8.0.5-1","5:8.0.6-1","5:8.0.6-2","5:8.0.6-3","5:8.4.0-1","5:8.6.1-1","5:8.6.2-1","5:8.6.3-1"]},{"source":"osv","ecosystem":"Debian:14","package":"redis","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5:8.0.2-3","5:8.0.4-1","5:8.0.5-1","5:8.0.6-1","5:8.0.6-2","5:8.0.6-3","5:8.4.0-1","5:8.6.1-1","5:8.6.2-1","5:8.6.3-1"]}],"products":[{"vendor":"redislabs","product":"redis"}],"references":[{"url":"https://github.com/antirez/redis/issues/6633","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Third Party Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-21468"},{"url":"http://redis.com"},{"url":"https://github.com/advisories/GHSA-vjmv-w2p6-c95q"},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-21468","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2020-21468","description":"A segmentation fault in the redis-server component of Redis 5.0.7 leads to a denial of service (DOS). NOTE: the vendor cannot reproduce this issue in a released version, such as 5.0.7.","status":"disputed","published":"2021-09-20T15:11:37Z","modified":"2026-07-09T00:09:59.324Z","updated_at":"2026-11-02T14:35:48.854892Z"}],"euvd":[{"id":"EUVD-2020-14240","description":"A segmentation fault in the redis-server component of Redis 5.0.7 leads to a denial of service (DOS). NOTE: the vendor cannot reproduce this issue in a released version, such as 5.0.7.","status":"published","published":"2021-09-20T15:11:37Z","modified":"2026-07-09T00:09:59Z","updated_at":"2026-11-02T18:20:10.095263Z"}],"ghsa":[{"id":"GHSA-vjmv-w2p6-c95q","title":"A segmentation fault in the redis-server component of Redis 5.0.7 leads to a denial of service ...","description":"A segmentation fault in the redis-server component of Redis 5.0.7 leads to a denial of service (DOS).","status":"published","published":"2022-05-24T19:15:15Z","modified":"2024-03-30T05:01:45Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T14:55:45.190481Z"}],"nvd":[{"id":"CVE-2020-21468","description":"A segmentation fault in the redis-server component of Redis 5.0.7 leads to a denial of service (DOS). NOTE: the vendor cannot reproduce this issue in a released version, such as 5.0.7.","status":"disputed","published":"2021-09-20T16:15:09.507Z","modified":"2026-07-09T00:16:53.863Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:45.704484Z"}],"osv":[{"id":"CVE-2020-21468","description":"A segmentation fault in the redis-server component of Redis 5.0.7 leads to a denial of service (DOS). NOTE: the vendor cannot reproduce this issue in a released version, such as 5.0.7.","status":"published","published":"2021-09-20T16:15:09.507Z","modified":"2026-10-24T10:30:29.988790712Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:15.534837Z"},{"id":"DEBIAN-CVE-2020-21468","description":"A segmentation fault in the redis-server component of Redis 5.0.7 leads to a denial of service (DOS). NOTE: the vendor cannot reproduce this issue in a released version, such as 5.0.7.","status":"published","published":"2021-09-20T16:15:09.507Z","modified":"2026-10-26T12:00:10.148758753Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:33.384087Z"}]}}