Chromium: CVE-2026-6305 Heap buffer overflow in PDFium_MS:CVE-2026-6305

{
    "lastseen": "2026-04-17T17:15:55",
    "description": "This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.\n",
    "published": "2026-04-17T14:00:57",
    "modified": "2026-04-17T14:00:57",
    "type": "mscve",
    "title": "Chromium: CVE-2026-6305 Heap buffer overflow in PDFium",
    "source": "",
    "references": "",
    "id": "MS:CVE-2026-6305",
    "bulletinFamily": "microsoft",
    "cwe": null,
    "cvelist": [
        "CVE-2026-6305"
    ],
    "sourceData": "",
    "sourceHref": "",
    "cvss": {
        "score": 8.8,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
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        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
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        }
    },
    "href": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-6305",
    "category_name": "News",
    "post_link": "",
    "product": "",
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    "vendor": "",
    "ai_description": "",
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    "ai_score": 0
}