{"schemaVersion":3,"id":"USN-5221-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"redis vulnerabilities\n\nIt was discovered that Redis incorrectly handled certain specially crafted\nLua scripts. A remote attacker could possibly use this issue to cause a\ndenial of service or execute arbitrary code. (CVE-2021-32626)\n\nIt was discovered that Redis incorrectly handled some malformed requests\nwhen using Redis Lua Debugger. A remote attacker could possibly use this\nissue to cause a denial of service or other unspecified impact. This issue\nonly affected Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. (CVE-2021-32672)\n\nIt was discovered that Redis incorrectly handled certain Redis Standard\nProtocol (RESP) requests. A remote attacker could possibly use this issue\nto cause a denial of service. (CVE-2021-32675)\n\nIt was discovered that Redis incorrectly handled some configuration\nparameters with specially crafted network payloads. A remote attacker\ncould possibly use this issue to cause a denial of service or execute\narbitrary code. Vulnerabilities CVE-2021-32627 and CVE-2021-41099\nonly affected Ubuntu 18.04 ESM and Ubuntu 20.04 ESM.\n(CVE-2021-32627, CVE-2021-32628, CVE-2021-32687, CVE-2021-41099).\n\nIt was discovered that Redis incorrectly handled memory when processing\ncertain input in 32-bit systems. A remote attacker could possibly use\nthis issue to cause a denial of service or execute arbitrary code.\nOne vulnerability (CVE-2021-32761) only affected Ubuntu 14.04 ESM,\nUbuntu 16.04 ESM and Ubuntu 18.04 ESM and another vulnerability\n(CVE-2021-21309) only affected Ubuntu 18.04 ESM.\n(CVE-2021-32761, CVE-2021-21309).","dates":{"published":"2022-08-03T10:10:42.000Z","modified":"2026-06-29T13:48:57.518Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"ubuntu","product":"redis","name":"redis","label":"redis","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/redis","purlType":"deb","versions":[{"text":"< 2:2.8.4-2ubuntu0.2+esm2","noFixRecorded":false,"fixedIn":null},{"text":"< 2:3.0.6-1ubuntu0.4+esm1","noFixRecorded":false,"fixedIn":null},{"text":"< 5:4.0.9-1ubuntu0.2+esm3","noFixRecorded":false,"fixedIn":null},{"text":"< 5:5.0.7-2ubuntu0.1+esm1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2:2.8.4-2ubuntu0.2+esm2 | < 2:3.0.6-1ubuntu0.4+esm1 | < 5:4.0.9-1ubuntu0.2+esm3 | < 5:5.0.7-2ubuntu0.1+esm1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-5221-1","label":"ubuntu.com/security/notices/USN-5221-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-21309","label":"ubuntu.com/security/CVE-2021-21309","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-32626","label":"ubuntu.com/security/CVE-2021-32626","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-32627","label":"ubuntu.com/security/CVE-2021-32627","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-32628","label":"ubuntu.com/security/CVE-2021-32628","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-32672","label":"ubuntu.com/security/CVE-2021-32672","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-32675","label":"ubuntu.com/security/CVE-2021-32675","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-32687","label":"ubuntu.com/security/CVE-2021-32687","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-32761","label":"ubuntu.com/security/CVE-2021-32761","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2021-41099","label":"ubuntu.com/security/CVE-2021-41099","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2021-21309","CVE-2021-32626","CVE-2021-32627","CVE-2021-32628","CVE-2021-32672","CVE-2021-32675","CVE-2021-32687","CVE-2021-32761","CVE-2021-41099"],"downstream":[],"duplicates":[],"related":["CVE-2021-21309","CVE-2021-32626","CVE-2021-32627","CVE-2021-32628","CVE-2021-32672","CVE-2021-32675","CVE-2021-32687","CVE-2021-32761","CVE-2021-41099"]},"timeline":[{"kind":"published","date":"2022-08-03T10:10:42.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-29T13:48:57.518Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T21:05:48.667Z","stale":false,"partial":false}}