CVE-2026-46752 Apache Kvrocks: Stack buffer overflow in Lua bit.tohex()
A stack buffer overflow in the Lua bit.tohex function allows attackers to execute arbitrary code or cause denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-46752?
CVE-2026-46752 is a critical memory corruption vulnerability in Apache Kvrocks, published on 25 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-122
Which versions are affected by CVE-2026-46752?
How do I fix CVE-2026-46752?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-46752 being exploited?
There is no known exploitation of CVE-2026-46752 in the wild and no public exploit code.
Sources
Also known as GHSA-8g2g-w8wp-x78h, MINI-rx8x-8frh-5978.