CVE-2026-93393
Last modified
CVE-2026-93393 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. A heap-based buffer overflow exists in the TLS transport layer of the MongoDB C Driver when built with the Windows platform TLS backend. A remote endpoint that the client connects to can cause the driver to write uncontrolled data outside the bounds of a heap allocation while processing incoming encrypted traffic after the TLS handshake completes.
Description
A heap-based buffer overflow exists in the TLS transport layer of the MongoDB C Driver when built with the Windows platform TLS backend. A remote endpoint that the client connects to can cause the driver to write uncontrolled data outside the bounds of a heap allocation while processing incoming encrypted traffic after the TLS handshake completes. No authentication or user interaction is required, because the affected processing occurs before any application-level authentication completes. Triggering this issue may lead to memory corruption in the client process, disclosure of adjacent heap memory, or termination of the process.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| MongoDB Inc. | C Driver | 2.4.0; >= 2.3.0, <= 2.3.3; >= 2.2.0, <= 2.2.4; >= 2.1.0, <= 2.1.2; >= 2.0.0, <= 2.0.2; >= 1.30.0, <= 1.30.8; >= 1.29.0, <= 1.29.2; >= 1.28.0, <= 1.28.1; >= 1.27.0, <= 1.27.6; >= 1.26.0, <= 1.26.2; >= 1.25.0, <= 1.25.4; >= 1.24.0, <= 1.24.4 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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