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Vulnerability record · CVE-2022-24834 · published 13 July 2023

CVE-2022-24834: Redis heap-based buffer overflow vulnerability

Redis · Redis

Redis is an in-memory database that persists on disk. A specially crafted Lua script executing in Redis can trigger a heap overflow in the cjson library, and result with heap corruption and potentially remote code execution. The problem exists in all versions of Redis with Lua scripting support, starting from 2.6, and affects only authenticated and authorized users. The problem is fixed in versions 7.0.12, 6.2.13, and 6.0.20.

8.8 CVSS 3.1 High EPSS 41% · top 1.4% CWE-122 · Heap-based buffer overflowCWE-680 · CWE-680
8.8CVSS 3.1 base score
41%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

Redis is an in-memory database that persists on disk. A specially crafted Lua script executing in Redis can trigger a heap overflow in the cjson library, and result with heap corruption and potentially remote code execution. The problem exists in all versions of Redis with Lua scripting support, starting from 2.6, and affects only authenticated and authorized users. The problem is fixed in versions 7.0.12, 6.2.13, and 6.0.20.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/redis/redis/security/advisories/GHSA-p8x2-9v9q-c838 Vendor Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/MIF5MAGYARYUMRFK7PQI7HYXM Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/TDNNH2ONMVNBQ6LUIAOAGDNFP Mailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20230814-0006/
https://github.com/redis/redis/security/advisories/GHSA-p8x2-9v9q-c838 Vendor Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/MIF5MAGYARYUMRFK7PQI7HYXM Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/TDNNH2ONMVNBQ6LUIAOAGDNFP Mailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20230814-0006/

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2022-24834), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.