CVE-2022-24834
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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 41.4%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
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
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 41.41% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-122, CWE-680
- Affected
- redis/redis · fedoraproject/fedora
- Source
- security-advisories@github.com
EPSS 41.4% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/redis/redis/security/advisories/GHSA-p8x2-9v9q-c838Vendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MIF5MAGYARYUMRFK7PQI7HYXMK2HZE5T/Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TDNNH2ONMVNBQ6LUIAOAGDNFPKXNST5K/Mailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230814-0006/
- https://github.com/redis/redis/security/advisories/GHSA-p8x2-9v9q-c838Vendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MIF5MAGYARYUMRFK7PQI7HYXMK2HZE5T/Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TDNNH2ONMVNBQ6LUIAOAGDNFPKXNST5K/Mailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230814-0006/
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.