Linux · Security advisory · September 9, 2026
RLSA-2026:64807: valkey security update
RLSA-2026:64807, released September 9, 2026, fixes 3 CVEs in valkey (version 0:8.0.10-1.el9_8). None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
3
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0089
59th percentile
Priority of the 3 CVEs
Patch now 0
Urgent 0
High 3
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| valkey | rocky 9 | 0:8.0.10-1.el9_8 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2026-63639 | Valkey: UAF in stream deserialization may lead to remote code execution | 8.8 | 0.0089 | None reported | |
| High | CVE-2026-66373 | Redis before 8.8.0, in the unusual case where an authenticated attacker can execute RESTORE, allows remote code execution via a RESTORE payload where the same NACK (pending entry) is referenced by more than one consumer, because deleting both consumers via XGROUP DELCONSUMER leads to a double free. NOTE: this issue exists because of an incomplete fix for CVE-2026-25243. | 8.8 | 0.0087 | None reported | |
| High | CVE-2026-56684 | Valkey: TLS pending-data processing use-after-free may allow remote code execution | 8.8 | 0.0052 | None reported |
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