Valkey: UAF in stream deserialization may lead to remote code execution
CVE-2026-63639 is fixed in 8 products on 1 platform, first by OPENSUSE-SU-2026:21485-1, released July 30, 2026. It is not reported as exploited. Patch Radar priority: High.
Valkey is a distributed key-value database. Prior to 7.2.14, 8.0.10, 8.1.9, 9.0.5, and 9.1.1, Valkey's RESTORE command accepts a malformed RDB stream payload that assigns one Pending Entry List NACK to multiple consumers during stream consumer-group deserialization, causing a use-after-free when one consumer is deleted while another still references the shared NACK and potentially allowing remote code execution. This issue is fixed in versions 7.2.14, 8.0.10, 8.1.9, 9.0.5, and 9.1.1.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| valkey · Debian 13.5 (trixie) | 8.1.1+dfsg1-3+deb13u3 | DEBIAN-CVE-2026-63639 | Sep 1, 2026 |
| valkey · Debian 14 | 9.1.1-1 | DEBIAN-CVE-2026-63639 | Sep 1, 2026 |
| valkey · RHEL 10 | 8.0.11-1.el10_0 | RHSA-2026:68601 | Sep 10, 2026 |
| valkey · RHEL 9 | 0:8.0.10-1.el9_8 | RHSA-2026:64807 | Sep 13, 2026 |
| valkey · almalinux 10 | 8.0.11-1.el10_2 | ALSA-2026:64796 | Sep 8, 2026 |
| valkey · almalinux 9 | 8.0.10-1.el9_8 | ALSA-2026:64807 | Sep 8, 2026 |
| valkey · amzn 2023 | 9.0.5-1.amzn2023.0.1 | ALAS2023-2026-2011 | Aug 3, 2026 |
| valkey · ol 10 | 0:8.0.11-1.el10_2 | ELSA-2026-64796-0 | Sep 8, 2026 |
| valkey · ol 9 | 0:8.0.10-1.el9_8 | ELSA-2026-64807-0 | Sep 8, 2026 |
| valkey · opensuse-leap 16.0 | 8.0.10-160000.1.1 | OPENSUSE-SU-2026:21485-1 | Jul 30, 2026 |
| valkey · rocky 10 | 0:8.0.11-1.el10_2 | RLSA-2026:64796 | Sep 9, 2026 |
| valkey · rocky 9 | 0:8.0.10-1.el9_8 | RLSA-2026:64807 | Sep 9, 2026 |
| valkey · sles 15.6 | 8.0.10-150600.13.28.1 | SUSE-SU-2026:3483-1 | Aug 4, 2026 |
| valkey · sles 15.7 | 8.0.10-150700.3.20.1 | SUSE-SU-2026:3427-1 | Jul 30, 2026 |
| valkey-debuginfo · amzn 2023 | 9.0.5-1.amzn2023.0.1 | ALAS2023-2026-2011 | Aug 3, 2026 |
| valkey-debugsource · amzn 2023 | 9.0.5-1.amzn2023.0.1 | ALAS2023-2026-2011 | Aug 3, 2026 |
| valkey-devel · RHEL 9 | 0:8.0.10-1.el9_8 | RHSA-2026:64807 | Sep 13, 2026 |
| valkey-devel · almalinux 10 | 8.0.11-1.el10_2 | ALSA-2026:64796 | Sep 8, 2026 |
| valkey-devel · almalinux 9 | 8.0.10-1.el9_8 | ALSA-2026:64807 | Sep 8, 2026 |
| valkey-devel · amzn 2023 | 9.0.5-1.amzn2023.0.1 | ALAS2023-2026-2011 | Aug 3, 2026 |
| valkey-devel · ol 10 | 0:8.0.11-1.el10_2 | ELSA-2026-64796-0 | Sep 8, 2026 |
| valkey-devel · ol 9 | 0:8.0.10-1.el9_8 | ELSA-2026-64807-0 | Sep 8, 2026 |
| valkey-redis-compat · Ubuntu 24.04.5 LTS (noble) | 7.2.13+dfsg1-0ubuntu0.1+esm1 | valkey-redis-compat 7.2.13+dfsg1-0ubuntu0.1+esm1 | Aug 18, 2026 |
| valkey-sentinel · Ubuntu 24.04.5 LTS (noble) | 7.2.13+dfsg1-0ubuntu0.1+esm1 | valkey-sentinel 7.2.13+dfsg1-0ubuntu0.1+esm1 | Aug 18, 2026 |
| valkey-sentinel · Ubuntu 26.04.1 LTS (resolute) | 9.0.4-0ubuntu0.2 | valkey-sentinel 9.0.4-0ubuntu0.2 | Sep 4, 2026 |
| valkey-server · Ubuntu 24.04.5 LTS (noble) | 7.2.13+dfsg1-0ubuntu0.1+esm1 | valkey-server 7.2.13+dfsg1-0ubuntu0.1+esm1 | Aug 18, 2026 |
| valkey-server · Ubuntu 26.04.1 LTS (resolute) | 9.0.4-0ubuntu0.2 | valkey-server 9.0.4-0ubuntu0.2 | Sep 4, 2026 |
| valkey-tools · Ubuntu 24.04.5 LTS (noble) | 7.2.13+dfsg1-0ubuntu0.1+esm1 | valkey-tools 7.2.13+dfsg1-0ubuntu0.1+esm1 | Aug 18, 2026 |
| valkey-tools · Ubuntu 26.04.1 LTS (resolute) | 9.0.4-0ubuntu0.2 | valkey-tools 9.0.4-0ubuntu0.2 | Sep 4, 2026 |
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