CVE-2025-35966 Null dereference in Comdb2
A crafted protocol buffer message causes a null pointer dereference in Bloomberg Comdb2, allowing remote attackers to crash the database service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-35966?
CVE-2025-35966 is a high-severity vulnerability in Bloomberg Comdb2, published on 22 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A null pointer dereference vulnerability exists in the CDB2SQLQUERY protocol buffer message handling of Bloomberg Comdb2 8.1. A specially crafted protocol buffer message can lead to a denial of service. An attacker can simply connect to a database instance over TCP and send the crafted message to trigger this vulnerability.
Weakness: CWE-476
Which versions are affected by CVE-2025-35966?
It affects 1 product.
Products include Bloomberg Comdb2.
How do I fix CVE-2025-35966?
No fix has been published for CVE-2025-35966 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-35966 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-35966 exists.
Other vulnerabilities in Bloomberg Comdb2
Sources
Also known as GHSA-hxpf-hc33-vm4v.