#VU112138 Heap-based buffer overflow in MongoDB driver for C - CVE-2025-0755

Vulnerability identifier: #VU112138

Vulnerability risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2025-0755

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
MongoDB driver for C
Universal components / Libraries / Libraries used by multiple products

Vendor: MongoDB, Inc.

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within various bson_append functions. A remote attacker can pass specially crafted data to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

MongoDB driver for C: 1.0.0 - 1.27.4

---

External links
https://jira.mongodb.org/browse/CDRIVER-5601
https://jira.mongodb.org/browse/SERVER-94461

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.