Vulnerability Instance

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{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/17294?format=api",
    "vulnerability_id": "VCID-z8s5-gqns-ybdn",
    "summary": "Out-of-bounds Write\nAn issue was discovered in libbzip3.a in bzip3 before 1.2.3. There is an out-of-bounds write in bz3_decode_block.",
    "aliases": [
        {
            "alias": "CVE-2023-29421"
        }
    ],
    "fixed_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/63376?format=api",
            "purl": "pkg:conan/bzip3@1.2.3",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:conan/bzip3@1.2.3"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/170509?format=api",
            "purl": "pkg:deb/debian/bzip3@1.2.2-2?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/bzip3@1.2.2-2%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/170511?format=api",
            "purl": "pkg:deb/debian/bzip3@1.5.1-1?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/bzip3@1.5.1-1%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/170510?format=api",
            "purl": "pkg:deb/debian/bzip3@1.5.3-2?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/bzip3@1.5.3-2%3Fdistro=trixie"
        }
    ],
    "affected_packages": [],
    "references": [
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2023-29421",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.00173",
                    "scoring_system": "epss",
                    "scoring_elements": "0.38419",
                    "published_at": "2026-05-30T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2023-29421"
        },
        {
            "reference_url": "https://github.com/kspalaiologos/bzip3/compare/1.2.2...1.2.3",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "8.8",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
                },
                {
                    "value": "Track",
                    "scoring_system": "ssvc",
                    "scoring_elements": "SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-02-12T16:23:29Z/"
                }
            ],
            "url": "https://github.com/kspalaiologos/bzip3/compare/1.2.2...1.2.3"
        },
        {
            "reference_url": "https://github.com/kspalaiologos/bzip3/issues/94",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "8.8",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
                },
                {
                    "value": "Track",
                    "scoring_system": "ssvc",
                    "scoring_elements": "SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-02-12T16:23:29Z/"
                }
            ],
            "url": "https://github.com/kspalaiologos/bzip3/issues/94"
        },
        {
            "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1034177",
            "reference_id": "1034177",
            "reference_type": "",
            "scores": [],
            "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1034177"
        },
        {
            "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2023-29421",
            "reference_id": "CVE-2023-29421",
            "reference_type": "",
            "scores": [],
            "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-29421"
        }
    ],
    "weaknesses": [
        {
            "cwe_id": 1035,
            "name": "OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities",
            "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2017."
        },
        {
            "cwe_id": 787,
            "name": "Out-of-bounds Write",
            "description": "The product writes data past the end, or before the beginning, of the intended buffer."
        },
        {
            "cwe_id": 937,
            "name": "OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities",
            "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2013."
        }
    ],
    "exploits": [],
    "severity_range_score": "8.8 - 8.8",
    "exploitability": null,
    "weighted_severity": null,
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-z8s5-gqns-ybdn"
}