GNU Bison scan-code.c code_free double free_CVE-2025-8734

{
    "lastseen": "",
    "description": "A vulnerability classified as problematic has been found in GNU Bison up to 3.8.2. Affected is the function code_free of the file src/scan-code.c. The manipulation leads to double free. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.",
    "published": "2025-08-08T18:02:07.827Z",
    "modified": "2025-08-08T18:14:20.867Z",
    "type": "cve",
    "title": "GNU Bison scan-code.c code_free double free",
    "source": "VulDB",
    "references": "https://vuldb.com/?id.319230\nhttps://vuldb.com/?ctiid.319230\nhttps://vuldb.com/?submit.622300\nhttps://github.com/akimd/bison/issues/115\nhttps://drive.google.com/file/d/123Qe44FaC-GP88dWNl9-6H4jLWUcXYNZ/view?usp=drive_link\nhttps://www.gnu.org/",
    "id": "CVE-2025-8734",
    "bulletinFamily": "",
    "cwe": [
        "CWE-415",
        "CWE-119"
    ],
    "cvelist": null,
    "sourceData": "GNU Bison 3.8.0\nGNU Bison 3.8.1\nGNU Bison 3.8.2",
    "sourceHref": "",
    "cvss": {
        "score": 4.8,
        "severity": "MEDIUM",
        "vector": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/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": "Bison",
    "version": "3.8.0",
    "vendor": "GNU",
    "ai_description": "A double free vulnerability in GNU Bison up to version 3.8.2 could allow local attackers to exploit the code_free function in scan-code.c, potentially leading to memory corruption. The exploit is publicly disclosed.",
    "ai_severity": "Medium",
    "ai_vendor": "GNU Project",
    "ai_product": "GNU Bison",
    "ai_version": "3.8.0, 3.8.1, 3.8.2",
    "ai_score": 0
}