NULL pointer dereference in Bloomberg Comdb2

CVE-2025-35966

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.

EPSS: 0.006 (43.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-35966?
CVE-2025-35966 is a high-severity vulnerability in Bloomberg Comdb2, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2025-07-22.
How severe is CVE-2025-35966?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2025-35966 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.