npitre cramfs-tools cramfsck.c change_file_status symlink_CVE-2026-8784

{
    "lastseen": "",
    "description": "A vulnerability was detected in npitre cramfs-tools up to 2.2. Affected is the function change_file_status of the file cramfsck.c. Performing a manipulation results in symlink following. The attack requires a local approach. The exploit is now public and may be used. The patch is named b4a3a695c9873f824907bd15659f2a6ac7667b4f. It is recommended to apply a patch to fix this issue.",
    "published": "2026-05-18T02:30:13.275Z",
    "modified": "2026-05-18T02:30:13.275Z",
    "type": "cve",
    "title": "npitre cramfs-tools cramfsck.c change_file_status symlink",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/364408\nhttps://vuldb.com/vuln/364408/cti\nhttps://vuldb.com/submit/811897\nhttps://github.com/npitre/cramfs-tools/issues/13\nhttps://github.com/npitre/cramfs-tools/issues/13#issuecomment-4306102583\nhttps://github.com/npitre/cramfs-tools/commit/b4a3a695c9873f824907bd15659f2a6ac7667b4f\nhttps://github.com/npitre/cramfs-tools/",
    "id": "CVE-2026-8784",
    "bulletinFamily": "",
    "cwe": [
        "CWE-61",
        "CWE-59"
    ],
    "cvelist": null,
    "sourceData": "npitre cramfs-tools 2.0\nnpitre cramfs-tools 2.1\nnpitre cramfs-tools 2.2",
    "sourceHref": "",
    "cvss": {
        "score": 4.6,
        "severity": "MEDIUM",
        "vector": "CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
        "version": "4.0"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "cramfs-tools",
    "version": "2.0",
    "vendor": "npitre",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}