DEBIAN-CVE-2026-120956
Dashboard / Vulnerabilities / DEBIAN-CVE-2026-120956
Summary:
Details: The MongoDB C Driver does not validate the type or format of a namespace field returned by the server in a query response. A MongoDB endpoint that a client application connects to, without needing any credentials, can return a malformed value in that field. This causes the client application process to terminate, and can also cause the driver to read memory outside an allocated buffer and to send a small amount of the application's own uninitialized heap memory back to the endpoint in a follow-up command. The impact is limited to the process that embeds the driver.
Affected packages
Package
Name: mongo-c-driver
Purl: pkg:deb/debian/mongo-c-driver?arch=source&distro=bookworm
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -None
Affected versions
1.23.1-1
1.23.1-1+deb12u1
1.23.1-1+deb12u2
1.23.1-1+deb12u3
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
