CVE-2025-8865 Null dereference in YugabyteDB
An authenticated attacker can crash the YugabyteDB tablet server by sending malformed YCQL queries, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-8865?
CVE-2025-8865 is a medium-severity vulnerability in YugabyteDB, published on 11 Aug 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
The YugabyteDB tablet server contains a flaw in its YCQL query handling that can trigger a null pointer dereference when processing certain malformed inputs. An authenticated attacker could exploit this issue to crash the YCQL tablet server, resulting in a denial of service.
Weakness: CWE-476
Which versions are affected by CVE-2025-8865?
How do I fix CVE-2025-8865?
No fix has been published for CVE-2025-8865 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-8865 being exploited?
There is no known exploitation of CVE-2025-8865 in the wild and no public exploit code.
Sources
Also known as GHSA-h268-g7j5-rm2g.