CVE-2026-68498Published

jackson-core: Delayed maxNameLength enforcement for char-backed input (ReaderBasedJsonParser) allows memory-exhaustion denial of service

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-2026-68498

Published

com.fasterxml.jackson.core:jackson-core

https://repo.maven.apache.org/maven2

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "FasterXML",
                    "product": "jackson-core",
                    "collectionURL": "https://repo.maven.apache.org/maven2",
                    "packageName": "com.fasterxml.jackson.core:jackson-core",
                    "repo": "https://github.com/FasterXML/jackson-core",
                    "programFiles": [
                        "src/main/java/com/fasterxml/jackson/core/json/ReaderBasedJsonParser.java"
                    ],
                    "programRoutines": [
                        {
                            "name": "ReaderBasedJsonParser._parseName2"
                        }
                    ],
                    "versions": [
                        {
                            "status": "affected",
                            "version": "2.16.0",
                            "lessThan": "2.18.10",
                            "versionType": "maven"
                        },
                        {
                            "status": "unaffected",
                            "version": "2.18.10",
                            "versionType": "maven"
                        },
                        {
                            "status": "affected",
                            "version": "2.19.0",
                            "lessThan": "2.21.6",
                            "versionType": "maven"
                        },
                        {
                            "status": "unaffected",
                            "version": "2.21.6",
                            "versionType": "maven"
                        },
                        {
                            "status": "affected",
                            "version": "2.22.0",
                            "lessThan": "2.22.2",
                            "versionType": "maven"
                        },
                        {
                            "status": "unaffected",
                            "version": "2.22.2",
                            "versionType": "maven"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

tools.jackson.core:jackson-core

https://repo.maven.apache.org/maven2

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "FasterXML",
                    "product": "jackson-core",
                    "collectionURL": "https://repo.maven.apache.org/maven2",
                    "packageName": "tools.jackson.core:jackson-core",
                    "repo": "https://github.com/FasterXML/jackson-core",
                    "programFiles": [
                        "src/main/java/tools/jackson/core/json/ReaderBasedJsonParser.java"
                    ],
                    "programRoutines": [
                        {
                            "name": "ReaderBasedJsonParser._parseName2"
                        }
                    ],
                    "versions": [
                        {
                            "status": "affected",
                            "version": "3.0.0",
                            "lessThan": "3.1.6",
                            "versionType": "maven"
                        },
                        {
                            "status": "unaffected",
                            "version": "3.1.6",
                            "versionType": "maven"
                        },
                        {
                            "status": "affected",
                            "version": "3.2.0",
                            "lessThan": "3.2.2",
                            "versionType": "maven"
                        },
                        {
                            "status": "unaffected",
                            "version": "3.2.2",
                            "versionType": "maven"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

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