GNU LibreDWG Dwggrep Utility dwggrep.c match_BLOCK_HEADER null pointer dereference_CVE-2026-9529

{
    "lastseen": "",
    "description": "A security flaw has been discovered in GNU LibreDWG up to 0.14. The affected element is the function match_BLOCK_HEADER of the file dwggrep.c of the component Dwggrep Utility. Performing a manipulation results in null pointer dereference. The attack requires a local approach. The exploit has been released to the public and may be used for attacks.",
    "published": "2026-05-26T04:15:10.891Z",
    "modified": "2026-05-26T04:15:10.891Z",
    "type": "cve",
    "title": "GNU LibreDWG Dwggrep Utility dwggrep.c match_BLOCK_HEADER null pointer dereference",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/365548\nhttps://vuldb.com/vuln/365548/cti\nhttps://vuldb.com/submit/814273\nhttps://github.com/LibreDWG/libredwg/issues/1247\nhttps://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_oob_write_read_2004_compressed_section.dwg\nhttps://www.gnu.org/",
    "id": "CVE-2026-9529",
    "bulletinFamily": "",
    "cwe": [
        "CWE-476",
        "CWE-404"
    ],
    "cvelist": null,
    "sourceData": "GNU LibreDWG 0.1\nGNU LibreDWG 0.2\nGNU LibreDWG 0.3\nGNU LibreDWG 0.4\nGNU LibreDWG 0.5\nGNU LibreDWG 0.6\nGNU LibreDWG 0.7\nGNU LibreDWG 0.8\nGNU LibreDWG 0.9\nGNU LibreDWG 0.10\nGNU LibreDWG 0.11\nGNU LibreDWG 0.12\nGNU LibreDWG 0.13\nGNU LibreDWG 0.14",
    "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": "LibreDWG",
    "version": "0.1",
    "vendor": "GNU",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}