Linux · 
Debian · Security advisory · September 1, 2026
Debian · Security advisory · September 1, 2026DEBIAN-CVE-2026-63639: valkey security update
DEBIAN-CVE-2026-63639, released September 1, 2026, fixes 1 CVE in valkey. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
1
None rated Critical
Exploited
0
None reported
Highest CVSS
8.8
Base score, 0 to 10
Highest EPSS
0.0089
59th percentile
Fixed package versions
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-63639 | Valkey: UAF in stream deserialization may lead to remote code execution | 8.8 | 0.0089 | None reported |
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