---
title: "Aerospike Database 8.0.0.20 Release Notes"
description: "8.0.0.20 Database release notes"
---

# Aerospike Database 8.0.0.20 Release Notes

> For the complete documentation index see: [llms.txt](https://aerospike.com/docs/llms.txt)
> 
> All documentation pages available in markdown.

September 11, 2026  |  **[Download](https://aerospike.com/download/)**

## Bug fixes

### AER-6947

(STORAGE) Fix cold-start set membership loss when a setless record version precedes the live record in device scan order.

Editions affected: Enterprise, Federal & Community

### AER-6951

(CONFIGURATION) Fix asd startup crash on CPUs whose firmware reports sparse or large topology ids.

Editions affected: Enterprise, Federal & Community

### AER-6952

(CLUSTERING) Fix ‘recluster’ failing after an aborted exchange round.

Editions affected: Enterprise, Federal & Community

### AER-6954

(EXPRESSIONS) Fixed a memory leak when an expression’s declared result type did not match the stored data.

Editions affected: Enterprise, Federal & Community

### AER-6957

(UDF) CVE-2026-63662 Bounds-check msgpack deserialization.

Editions affected: Enterprise, Federal & Community

### AER-6959

(KVS) CVE-2026-71423 Fix a crash when extracting a zero-length bytes element from a list or map.

Editions affected: Enterprise, Federal & Community

### AER-6960

(CDT) CVE-2026-71419 Fix a heap overflow when writing a persist-index list or map of wide-encoded integers.

Editions affected: Enterprise, Federal & Community

### AER-6962

(EXPRESSIONS) Fix an expression write operation reporting success when it declined to delete a bin.

Editions affected: Enterprise, Federal & Community

### AER-6963

(STORAGE) For `storage-engine pmem` with `encryption` or `commit-to-device`, a cold start may lose records from in-flight MRT.

Editions affected: Enterprise & Federal Only

### AER-6964

(XDR) Fix corrupted xdr-dc-state output for namespace names of seven or more characters.

Editions affected: Enterprise & Federal Only

### AER-6965

(MEMORY) Fixed memory leaks in the secondary index definition hash, histogram teardown, and allocator self-check.

Editions affected: Enterprise, Federal & Community

### AER-6966

(EXPRESSIONS) Fixed INF/WILDCARD markers and non-minimal msgpack encodings in list or map expression literals being rejected with PARAMETER\_ERROR.

Editions affected: Enterprise, Federal & Community

## Known issues

[Known issues for 8.0.0.20](https://aerospike.com/docs/database/reference/issues?search=8.0.0.20)