{
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    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-28421",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-02-27T15:54:05.136Z",
        "datePublished": "2026-02-27T22:06:34.312Z",
        "dateUpdated": "2026-05-28T13:27:22.600Z"
    },
    "containers": {
        "cna": {
            "title": "Vim has a heap-buffer-overflow and a segmentation fault",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-20",
                            "lang": "en",
                            "description": "CWE-20: Improper Input Validation",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-122",
                            "lang": "en",
                            "description": "CWE-122: Heap-based Buffer Overflow",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "LOCAL",
                        "availabilityImpact": "LOW",
                        "baseScore": 5.3,
                        "baseSeverity": "MEDIUM",
                        "confidentialityImpact": "LOW",
                        "integrityImpact": "LOW",
                        "privilegesRequired": "NONE",
                        "scope": "UNCHANGED",
                        "userInteraction": "REQUIRED",
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
                        "version": "3.1"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/vim/vim/security/advisories/GHSA-r2gw-2x48-jj5p",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/vim/vim/security/advisories/GHSA-r2gw-2x48-jj5p"
                },
                {
                    "name": "https://github.com/vim/vim/commit/65c1a143c331c886dc28",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/vim/vim/commit/65c1a143c331c886dc28"
                },
                {
                    "name": "https://github.com/vim/vim/releases/tag/v9.2.0077",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/vim/vim/releases/tag/v9.2.0077"
                }
            ],
            "affected": [
                {
                    "vendor": "vim",
                    "product": "vim",
                    "versions": [
                        {
                            "version": "< 9.2.0077",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-02-27T22:06:34.312Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Vim is an open source, command line text editor. Versions prior to 9.2.0077 have a heap-buffer-overflow and a segmentation fault (SEGV) exist in Vim's swap file recovery logic. Both are caused by unvalidated fields read from crafted pointer blocks within a swap file. Version 9.2.0077 fixes the issue."
                }
            ],
            "source": {
                "advisory": "GHSA-r2gw-2x48-jj5p",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "http://www.openwall.com/lists/oss-security/2026/02/27/10"
                    }
                ],
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2026-02-28T00:15:36.679Z"
                }
            },
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-05-28T03:55:57.788033Z",
                                "id": "CVE-2026-28421",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-05-28T13:27:22.600Z"
                }
            }
        ]
    }
}