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jackson-dataformats-binary: CBOR parser does not enforce StreamReadConstraints.maxNameLength, enabling memory-exhaustion denial of service

cve-program · CVE-2026-68495

Published

com.fasterxml.jackson.dataformat:jackson-dataformat-cbor

https://repo1.maven.org/maven2

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "FasterXML",
                    "product": "jackson-dataformats-binary",
                    "collectionURL": "https://repo1.maven.org/maven2",
                    "packageName": "com.fasterxml.jackson.dataformat:jackson-dataformat-cbor",
                    "repo": "https://github.com/FasterXML/jackson-dataformats-binary",
                    "programRoutines": [
                        {
                            "name": "com.fasterxml.jackson.dataformat.cbor.CBORParser._decodeLongerName"
                        },
                        {
                            "name": "com.fasterxml.jackson.dataformat.cbor.CBORParser._decodeChunkedName"
                        }
                    ],
                    "versions": [
                        {
                            "status": "affected",
                            "version": "2.16.0",
                            "lessThanOrEqual": "2.18.9",
                            "versionType": "maven"
                        },
                        {
                            "status": "affected",
                            "version": "2.19.0",
                            "lessThanOrEqual": "2.21.5",
                            "versionType": "maven"
                        },
                        {
                            "status": "affected",
                            "version": "2.22.0",
                            "lessThanOrEqual": "2.22.1",
                            "versionType": "maven"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

tools.jackson.dataformat:jackson-dataformat-cbor

https://repo1.maven.org/maven2

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "FasterXML",
                    "product": "jackson-dataformats-binary",
                    "collectionURL": "https://repo1.maven.org/maven2",
                    "packageName": "tools.jackson.dataformat:jackson-dataformat-cbor",
                    "repo": "https://github.com/FasterXML/jackson-dataformats-binary",
                    "programRoutines": [
                        {
                            "name": "tools.jackson.dataformat.cbor.CBORParser._decodeLongerName"
                        },
                        {
                            "name": "tools.jackson.dataformat.cbor.CBORParser._decodeChunkedName"
                        }
                    ],
                    "versions": [
                        {
                            "status": "affected",
                            "version": "3.0.0",
                            "lessThanOrEqual": "3.1.5",
                            "versionType": "maven"
                        },
                        {
                            "status": "affected",
                            "version": "3.2.0",
                            "lessThanOrEqual": "3.2.1",
                            "versionType": "maven"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

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

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Sources read 11 Nov 22:09 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current