CVE-2022-24834: Fedoraproject Fedora

High severity, CVSS 8.8. EPSS: 41.1% chance of exploitation in the next 30 days.

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.

Affected products

• Fedoraproject Fedora: version 37 only; version 38 only
• Redis Redis: from 2.6.0, before 6.0.20 (fixed in 6.0.20); from 6.2.0, before 6.2.13 (fixed in 6.2.13); from 7.0.0, before 7.0.12 (fixed in 7.0.12)

Published 2023-07-13. Last modified 2026-06-17.