CVE-2026-106431Published

One-byte heap buffer overflow in BSON bulk document writer in MongoDB C Driver

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-106431

Published

C Driver

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "MongoDB",
                    "product": "C Driver",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0.5.0",
                            "lessThan": "1.30.13",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "2.0.0",
                            "lessThan": "2.5.6",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

Original source record · Cite this exact observation · Complete original publisher JSON