GCM chunking can lead to bad tag exception on decryption_CVE-2026-8149

{
    "lastseen": "",
    "description": "A vulnerability in Legion of the Bouncy Castle Inc. BC-FJA BC-FIPS on Linux, X86_64, AVX, AVX-512f.\n\n This vulnerability is associated with program files gcm128w, gcm512w.\n\n\n\nThis issue affects BC-FJA: from 2.1.0 through 2.1.2.",
    "published": "2026-05-08T06:01:40.875Z",
    "modified": "2026-05-08T06:01:40.875Z",
    "type": "cve",
    "title": "GCM chunking can lead to bad tag exception on decryption",
    "source": "bcorg",
    "references": "https://do-not-publish.bouncycastle.org/do_not_publish",
    "id": "CVE-2026-8149",
    "bulletinFamily": "",
    "cwe": [
        "CWE-1068"
    ],
    "cvelist": null,
    "sourceData": "Legion of the Bouncy Castle Inc. BC-FJA 2.1.0",
    "sourceHref": "",
    "cvss": {
        "score": 5.1,
        "severity": "MEDIUM",
        "vector": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/S:N/RE:M/U:Amber",
        "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": "BC-FJA",
    "version": "2.1.0",
    "vendor": "Legion of the Bouncy Castle Inc.",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}