{"api_version":"1","generated_at":"2026-04-23T01:15:02+00:00","cve":"CVE-2021-32626","urls":{"html":"https://cve.report/CVE-2021-32626","api":"https://cve.report/api/cve/CVE-2021-32626.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-32626","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-32626"},"summary":{"title":"CVE-2021-32626","description":"Redis is an open source, in-memory database that persists on disk. In affected versions specially crafted Lua scripts executing in Redis can cause the heap-based Lua stack to be overflowed, due to incomplete checks for this condition. This can result with heap corruption and potentially remote code execution. This problem exists in all versions of Redis with Lua scripting support, starting from 2.6. The problem is fixed in versions 6.2.6, 6.0.16 and 5.0.14. 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This can be done using ACL to restrict EVAL and EVALSHA commands."}]},"impact":{"cvss":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-122: Heap-based Buffer Overflow"}]},{"description":[{"lang":"eng","value":"CWE-787: Out-of-bounds Write"}]}]},"references":{"reference_data":[{"name":"https://github.com/redis/redis/security/advisories/GHSA-p486-xggp-782c","refsource":"CONFIRM","url":"https://github.com/redis/redis/security/advisories/GHSA-p486-xggp-782c"},{"name":"https://github.com/redis/redis/commit/666ed7facf4524bf6d19b11b20faa2cf93fdf591","refsource":"MISC","url":"https://github.com/redis/redis/commit/666ed7facf4524bf6d19b11b20faa2cf93fdf591"},{"refsource":"FEDORA","name":"FEDORA-2021-8913c7900c","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VL5KXFN3ATM7IIM7Q4O4PWTSRGZ5744Z/"},{"refsource":"FEDORA","name":"FEDORA-2021-61c487f241","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HTYQ5ZF37HNGTZWVNJD3VXP7I6MEEF42/"},{"refsource":"MLIST","name":"[druid-commits] 20211025 [GitHub] [druid] jihoonson opened a new pull request #11844: Bump netty4 to 4.1.68; 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