Description
The clusterLoadConfig function in cluster.c in Redis 4.0.2 allows attackers to cause a denial of service (out-of-bounds array index and application crash) or possibly have unspecified other impact by leveraging "limited access to the machine."
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | redis | 4:4.0.2-5 | — |
| Debian 13 | redis | 4:4.0.2-5 | — |
| Debian 12 | redis | 4:4.0.2-5 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | redis | 2:3.0.6-1ubuntu0.2 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP2 | redis | 6.0.8-1.3.1 | SUSE-OU-2020:3291-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 12 | redis | 4.0.6-12.1 | openSUSE-SU-2018:0228-1, openSUSE-SU-2018:0225-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | redis | 6.2.5-1.2 | openSUSE-SU-2024:11299-1 |
Advisories 4
- openSUSE-SU-2018:0225-1 Security update for redis SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11299-1 redis-6.2.5-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-OU-2020:3291-1 Optional update for python-redis and redis SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2018:0228-1 Security update for redis SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://github.com/antirez/redis/issues/4278
- GLSA-202008-17 vendor-advisory