CVE-2026-46752 PUBLISHED

Apache Kvrocks: Stack buffer overflow in Lua bit.tohex()

Assigner: apache
Reserved: 18.05.2026 Published: 25.06.2026 Updated: 25.06.2026

Redis Lua HEAP overflow in cjson library vulnerability in Apache Kvrocks.

This issue affects Apache Kvrocks: from 2.0.4 through 2.15.0.

Users are recommended to upgrade to version 2.16.0, which fixes the issue.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CVSS Score: 10

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	High	Integrity	High
Attack Requirements	None	Availability	High	Availability	High
Privileges Required	None
User Interaction	None

CVSS 4.0

Vendor	Apache Software Foundation
Product	Apache Kvrocks
Versions	Default: unaffected affected from 2.0.4 to 2.15.0 (incl.)