Home/CVE/The various bson_append functions in the MongoDB C driver library may be susceptible to buffer overflow when performing
CVE

CVE-2025-0755

The various bson_append functions in the MongoDB C driver library may be susceptible to buffer overflow when performing

The various bson_append functions in the MongoDB C driver library may be susceptible to buffer overflow when performing operations that could result in a final BSON document which exceeds the maximum allowable size (INT32_MAX), resulting in a segmentation fault and possible application crash. This issue affected libbson versions prior to 1.27.5, MongoDB Server v8.0 versions prior to 8.0.1 and MongoDB Server v7.0 versions prior to 7.0.16.

HIGH · CVSS 8.4 EPSS 0.00148
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-122Heap-based Buffer Overflow
▤

Affected Products & Versions

3
mongodb libbson< 1.27.5
mongodb>= 7.0.0 and < 7.0.16
mongodball versions
▣

Scoring & Timeline

8.4
HIGH · CVSS v3.1 · cna@mongodb.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD18 Mar 2025 · 09:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
usnUSN-7613-1
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://jira.mongodb.org/browse/CDRIVER-5601Issue TrackingVendor Advisory
https://jira.mongodb.org/browse/SERVER-94461Issue TrackingVendor Advisory
https://lists.debian.org/debian-lts-announce/2025/05/msg00012.html
https://lists.debian.org/debian-lts-announce/2025/05/msg00027.html
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