CVE-2026-82631
Fixed in a distro release EPSS <1%CVSS 2.2
A security flaw has been discovered in valkey-io valkey 9.1.0. The affected element is the function handleClientsBlockedOnKey of the file src/blocked.c of the component Blocked-on-keys Subsystem. The manipulation results in use after free. The attack may be performed from remote. A high complexity level is associated with this attack. The exploitability is described as difficult. The exploit has been released to the public and may be used for attacks. The patch is identified as b2fb0e13f5b4c8c2fb63dcfc2c37a067a0d6d20b. Applying a patch is advised to resolve this issue.
Products: valkey-io valkey
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | redis | no fix |
| Debian 13 | redis | no fix |
| Debian 13 | valkey | no fix |
| Debian 14 | redict | no fix |
| Debian 14 | redis | no fix |
| Debian 14 | valkey | 9.1.2-1 |
| Red Hat hummingbird 1 | valkey | 0:9.0.6-0.1.hum1 |
| Red Hat hummingbird 1 | valkey-compat-redis | 0:9.0.6-0.1.hum1 |
| Red Hat hummingbird 1 | valkey-compat-redis-devel | 0:9.0.6-0.1.hum1 |
| Red Hat hummingbird 1 | valkey-devel | 0:9.0.6-0.1.hum1 |
| Red Hat hummingbird 1 | valkey-doc | 0:9.0.6-0.1.hum1 |
| Red Hat hummingbird 1 | valkey-rdma | 0:9.0.6-0.1.hum1 |
| Ubuntu 26.04 LTS | valkey | no fix |
| Ubuntu 26.10 | valkey | no fix |
| Ubuntu Pro 24.04 LTS | valkey | no fix |