CVE-2022-35977 Integer overflow in certain command arguments can drive Redis to OOM panic
Authenticated users can trigger an integer overflow via crafted commands, causing Redis to crash due to out-of-memory errors.
- 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-2022-35977?
CVE-2022-35977 is a medium-severity vulnerability in redis, published on 20 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Redis is an in-memory database that persists on disk. Authenticated users issuing specially crafted `SETRANGE` and `SORT(_RO)` commands can trigger an integer overflow, resulting with Redis attempting to allocate impossible amounts of memory and abort with an out-of-memory (OOM) panic. The problem is fixed in Redis versions 7.0.8, 6.2.9 and 6.0.17. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Weakness: CWE-190
Which versions are affected by CVE-2022-35977?
3 open source packages ship an affected version, including redis, keydb and valkey. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
redis Bitnami | From 6.0.0 | 6.0.17, 6.2.9, 7.0.8 |
keydb Bitnami | From 6.0.0 | 6.0.17, 6.2.9, 7.0.8 |
valkey Bitnami | From 6.0.0 | 6.0.17, 6.2.9, 7.0.8 |
Linux distribution packages (13)
redis SUSE:Enterprise Storage 7 | All versions | 6.0.14-150200.6.17.1 |
redis SUSE:Enterprise Storage 7.1 | All versions | 6.0.14-150200.6.17.1 |
redis SUSE:Linux Enterprise High Performance Computing 15 SP2-LTSS | All versions | 6.0.14-150200.6.17.1 |
redis SUSE:Linux Enterprise High Performance Computing 15 SP3-ESPOS | All versions | 6.0.14-150200.6.17.1 |
redis SUSE:Linux Enterprise High Performance Computing 15 SP3-LTSS | All versions | 6.0.14-150200.6.17.1 |
redis SUSE:Linux Enterprise Real Time 15 SP3 | All versions | 6.0.14-150200.6.17.1 |
redis SUSE:Linux Enterprise Server 15 SP2-LTSS | All versions | 6.0.14-150200.6.17.1 |
redis SUSE:Linux Enterprise Server 15 SP3-LTSS | All versions | 6.0.14-150200.6.17.1 |
redis SUSE:Linux Enterprise Server for SAP Applications 15 SP2 | All versions | 6.0.14-150200.6.17.1 |
redis SUSE:Linux Enterprise Server for SAP Applications 15 SP3 | All versions | 6.0.14-150200.6.17.1 |
redis SUSE:Manager Proxy 4.2 | All versions | 6.0.14-150200.6.17.1 |
redis SUSE:Manager Retail Branch Server 4.2 | All versions | 6.0.14-150200.6.17.1 |
redis SUSE:Manager Server 4.2 | All versions | 6.0.14-150200.6.17.1 |
Products include Redis Redis.
How do I fix CVE-2022-35977?
Upgrade redis to a fixed version for your release line: 6.0.17, 6.2.9 or 7.0.8.
Is CVE-2022-35977 being exploited?
There is no known exploitation of CVE-2022-35977 in the wild and no public exploit code.
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-2022-35977, AZL-13125, BIT-keydb-2022-35977, BIT-redis-2022-35977, BIT-valkey-2022-35977, CLEANSTART-2026-QI92369 and 4 more.