{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-87933",
        "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "state": "PUBLISHED",
        "assignerShortName": "VulDB",
        "dateReserved": "2026-09-09T16:21:04.414Z",
        "datePublished": "2026-09-10T00:15:08.473Z",
        "dateUpdated": "2026-09-10T19:06:09.220Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
                "shortName": "VulDB",
                "dateUpdated": "2026-09-10T00:15:08.473Z"
            },
            "title": "DaveGamble cJSON cJSON_Utils.c cJSONUtils_MergePatch use after free",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "CWE",
                            "cweId": "CWE-416",
                            "lang": "en",
                            "description": "Use After Free"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "type": "CWE",
                            "cweId": "CWE-119",
                            "lang": "en",
                            "description": "Memory Corruption"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "DaveGamble",
                    "product": "cJSON",
                    "versions": [
                        {
                            "version": "1.7.0",
                            "status": "affected"
                        },
                        {
                            "version": "1.7.1",
                            "status": "affected"
                        },
                        {
                            "version": "1.7.2",
                            "status": "affected"
                        },
                        {
                            "version": "1.7.3",
                            "status": "affected"
                        },
                        {
                            "version": "1.7.4",
                            "status": "affected"
                        },
                        {
                            "version": "1.7.5",
                            "status": "affected"
                        },
                        {
                            "version": "1.7.6",
                            "status": "affected"
                        },
                        {
                            "version": "1.7.7",
                            "status": "affected"
                        },
                        {
                            "version": "1.7.8",
                            "status": "affected"
                        },
                        {
                            "version": "1.7.9",
                            "status": "affected"
                        },
                        {
                            "version": "1.7.10",
                            "status": "affected"
                        },
                        {
                            "version": "1.7.11",
                            "status": "affected"
                        },
                        {
                            "version": "1.7.12",
                            "status": "affected"
                        },
                        {
                            "version": "1.7.13",
                            "status": "affected"
                        },
                        {
                            "version": "1.7.14",
                            "status": "affected"
                        },
                        {
                            "version": "1.7.15",
                            "status": "affected"
                        },
                        {
                            "version": "1.7.16",
                            "status": "affected"
                        },
                        {
                            "version": "1.7.17",
                            "status": "affected"
                        },
                        {
                            "version": "1.7.18",
                            "status": "affected"
                        },
                        {
                            "version": "1.7.19",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:davegamble:cjson:*:*:*:*:*:*:*:*"
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A vulnerability was found in DaveGamble cJSON up to 1.7.19. The affected element is the function cJSONUtils_MergePatch of the file cJSON_Utils.c. The manipulation results in use after free. The attack may be launched remotely. The exploit has been made public and could be used. The pull request to fix this issue awaits acceptance."
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "version": "4.0",
                        "baseScore": 6.9,
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
                        "baseSeverity": "MEDIUM"
                    }
                },
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "baseScore": 7.3,
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
                        "baseSeverity": "HIGH"
                    }
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                    "cvssV3_0": {
                        "version": "3.0",
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                        "baseSeverity": "HIGH"
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                {
                    "cvssV2_0": {
                        "version": "2.0",
                        "baseScore": 7.5,
                        "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"
                    }
                }
            ],
            "timeline": [
                {
                    "time": "2026-09-09T00:00:00.000Z",
                    "lang": "en",
                    "value": "Advisory disclosed"
                },
                {
                    "time": "2026-09-09T02:00:00.000Z",
                    "lang": "en",
                    "value": "VulDB entry created"
                },
                {
                    "time": "2026-09-09T18:26:11.000Z",
                    "lang": "en",
                    "value": "VulDB entry last update"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "lrrh (VulDB User)",
                    "type": "reporter"
                },
                {
                    "lang": "en",
                    "value": "VulDB CNA Team",
                    "type": "coordinator"
                }
            ],
            "references": [
                {
                    "url": "https://vuldb.com/vuln/401815",
                    "name": "VDB-401815 | DaveGamble cJSON cJSON_Utils.c cJSONUtils_MergePatch use after free",
                    "tags": [
                        "vdb-entry",
                        "technical-description"
                    ]
                },
                {
                    "url": "https://vuldb.com/vuln/401815/cti",
                    "name": "VDB-401815 | CTI Indicators (IOB, IOC, IOA)",
                    "tags": [
                        "signature",
                        "permissions-required"
                    ]
                },
                {
                    "url": "https://vuldb.com/cve/CVE-2026-87933",
                    "name": "CVE-2026-87933 | CVE Analysis and Report",
                    "tags": [
                        "third-party-advisory"
                    ]
                },
                {
                    "url": "https://vuldb.com/submit/911136",
                    "name": "Submit #911136 | DaveGamble cJSON v1.7.19 Use After Free",
                    "tags": [
                        "third-party-advisory"
                    ]
                },
                {
                    "url": "https://github.com/DaveGamble/cJSON/issues/1060",
                    "tags": [
                        "exploit",
                        "issue-tracking"
                    ]
                },
                {
                    "url": "https://github.com/DaveGamble/cJSON/pull/1065",
                    "tags": [
                        "issue-tracking",
                        "patch"
                    ]
                },
                {
                    "url": "https://github.com/DaveGamble/cJSON/",
                    "tags": [
                        "product"
                    ]
                }
            ],
            "x_generator": [
                "VulDB PVTS v202609"
            ]
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-09-10T17:51:16.285890Z",
                                "id": "CVE-2026-87933",
                                "options": [
                                    {
                                        "Exploitation": "poc"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-09-10T19:06:09.220Z"
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}