CVE-2024-31449 Lua library commands may lead to stack overflow and RCE in Redis
An authenticated user can trigger a stack buffer overflow via crafted Lua scripts, potentially leading to remote code execution in Redis.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-31449?
CVE-2024-31449 is a high-severity memory corruption vulnerability in redis, published on 7 Oct 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Redis is an open source, in-memory database that persists on disk. An authenticated user may use a specially crafted Lua script to trigger a stack buffer overflow in the bit library, which may potentially lead to remote code execution. The problem exists in all versions of Redis with Lua scripting. This problem has been fixed in Redis versions 6.2.16, 7.2.6, and 7.4.1. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Which versions are affected by CVE-2024-31449?
3 open source packages ship an affected version, including redis, keydb and valkey. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
redis Bitnami | From 2.6.0 | 6.2.16, 7.2.8, 7.4.1 |
keydb Bitnami | From 2.6.0 | 6.3.4 |
valkey Bitnami | All versions | 7.2.7, 8.0.1 |
Products include Redis Redis.
How do I fix CVE-2024-31449?
Upgrade redis to a fixed version for your release line: 6.2.16, 7.2.8 or 7.4.1.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2024-31449 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-31449 exists.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in redis
- CVE-2022-0543 Debian-specific Redis Server Lua Sandbox Escape
- CVE-2026-23479 redis-server use-after-free in unblock client flow may allow remote code execution
- CVE-2026-25243 redis-server RESTORE invalid memory access may allow remote code execution
- CVE-2025-62507 Redis: Bug in XACKDEL may lead to stack overflow and potential RCE
- CVE-2025-48367 Redis DoS Vulnerability due to bad connection error handling
Sources
Also known as ALPINE-CVE-2024-31449, AZL-50129, AZL-52004, BELL-CVE-2024-31449, BIT-keydb-2024-31449, BIT-redis-2024-31449 and 8 more.