CVE-2025-36520 Null dereference in Comdb2
A null pointer dereference in Bloomberg Comdb2 allows remote attackers to cause a denial of service via crafted network packets.
- 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-2025-36520?
CVE-2025-36520 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 net_connectmsg Protocol Buffer Message functionality of Bloomberg Comdb2 8.1. A specially crafted network packets can lead to a denial of service. An attacker can send packets to trigger this vulnerability.
Weakness: CWE-476
Which versions are affected by CVE-2025-36520?
It affects 1 product.
Products include Bloomberg Comdb2.
How do I fix CVE-2025-36520?
No fix has been published for CVE-2025-36520 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-36520 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-36520 exists.
Other vulnerabilities in Bloomberg Comdb2
Sources
Also known as GHSA-pcp6-2jq5-m5cf.