High8.8Red Hat & Ubuntu Linux
Remote code execution via use-after-free in Lua scripting
CVE-2026-23631 Published May 5, 2026
CVE-2026-23631
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Remote code execution via use-after-free in Lua scripting. Red Hat rates this important (CVSS 8.8). Weakness: CWE-416. Affected package(s): redis:7, valkey. Resolved in Red Hat advisory RHSA-2026:26540 — update the affected packages (`sudo dnf update`).
Affected versions
- redis:7-9080020260521083756.9
- valkey-0:8.0.9-1.el10_2
- redis:7-9060020260602115714.9
- valkey-0:8.0.9-1.el10_0
- valkey-0:8.0.9-1.el9_8
- redis:7-9040020260625094332.9
Official advisory · high-confidence parse· fetched 4 hours ago·verify at source
Fixed versions
- RHSA-2026:26540
Official advisory · high-confidence parse· fetched 4 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Update the affected package(s) to the fixed version shipped in RHSA-2026:26540 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 4 hours ago·verify at source
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