Vulnerability Instance

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{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/62699?format=api",
    "vulnerability_id": "VCID-bd7s-2nrg-muc3",
    "summary": "glibc: glibc: Heap Buffer Overflow in `scanf` with `%mc` format specifier and large width",
    "aliases": [
        {
            "alias": "CVE-2026-5450"
        }
    ],
    "fixed_packages": [],
    "affected_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/89584?format=api",
            "purl": "pkg:rpm/redhat/glibc-main@2.42-12?arch=hum1",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-4g5f-vdup-d7c9"
                },
                {
                    "vulnerability": "VCID-bd7s-2nrg-muc3"
                },
                {
                    "vulnerability": "VCID-d6t6-2367-sybe"
                },
                {
                    "vulnerability": "VCID-dman-aqn7-tfd2"
                },
                {
                    "vulnerability": "VCID-zz3f-1cdu-7bfr"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/glibc-main@2.42-12%3Farch=hum1"
        }
    ],
    "references": [
        {
            "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-5450.json",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "5.0",
                    "scoring_system": "cvssv3",
                    "scoring_elements": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:H"
                }
            ],
            "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-5450.json"
        },
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2026-5450",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.00073",
                    "scoring_system": "epss",
                    "scoring_elements": "0.2222",
                    "published_at": "2026-06-09T12:55:00Z"
                },
                {
                    "value": "0.00073",
                    "scoring_system": "epss",
                    "scoring_elements": "0.2232",
                    "published_at": "2026-06-05T12:55:00Z"
                },
                {
                    "value": "0.00073",
                    "scoring_system": "epss",
                    "scoring_elements": "0.22305",
                    "published_at": "2026-06-06T12:55:00Z"
                },
                {
                    "value": "0.00073",
                    "scoring_system": "epss",
                    "scoring_elements": "0.22259",
                    "published_at": "2026-06-07T12:55:00Z"
                },
                {
                    "value": "0.00073",
                    "scoring_system": "epss",
                    "scoring_elements": "0.22206",
                    "published_at": "2026-06-08T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-5450"
        },
        {
            "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-5450",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-5450"
        },
        {
            "reference_url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "5.9",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"
                }
            ],
            "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"
        },
        {
            "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1134543",
            "reference_id": "1134543",
            "reference_type": "",
            "scores": [],
            "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1134543"
        },
        {
            "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2459853",
            "reference_id": "2459853",
            "reference_type": "",
            "scores": [],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2459853"
        },
        {
            "reference_url": "https://access.redhat.com/errata/RHSA-2026:12740",
            "reference_id": "RHSA-2026:12740",
            "reference_type": "",
            "scores": [],
            "url": "https://access.redhat.com/errata/RHSA-2026:12740"
        },
        {
            "reference_url": "https://sourceware.org/bugzilla/show_bug.cgi?id=CVE-2026-5450",
            "reference_id": "show_bug.cgi?id=CVE-2026-5450",
            "reference_type": "",
            "scores": [
                {
                    "value": "9.8",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "value": "Track*",
                    "scoring_system": "ssvc",
                    "scoring_elements": "SSVCv2/E:P/A:Y/T:T/P:M/B:A/M:M/D:R/2026-04-21T16:11:50Z/"
                }
            ],
            "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=CVE-2026-5450"
        },
        {
            "reference_url": "https://inbox.sourceware.org/libc-announce/b11f0003-6ec1-4bd6-b9de-9e38a4efeca3@redhat.com/T/#u",
            "reference_id": "#u",
            "reference_type": "",
            "scores": [
                {
                    "value": "9.8",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "value": "Track*",
                    "scoring_system": "ssvc",
                    "scoring_elements": "SSVCv2/E:P/A:Y/T:T/P:M/B:A/M:M/D:R/2026-04-21T16:11:50Z/"
                }
            ],
            "url": "https://inbox.sourceware.org/libc-announce/b11f0003-6ec1-4bd6-b9de-9e38a4efeca3@redhat.com/T/#u"
        }
    ],
    "weaknesses": [
        {
            "cwe_id": 131,
            "name": "Incorrect Calculation of Buffer Size",
            "description": "The product does not correctly calculate the size to be used when allocating a buffer, which could lead to a buffer overflow."
        },
        {
            "cwe_id": 122,
            "name": "Heap-based Buffer Overflow",
            "description": "A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc()."
        }
    ],
    "exploits": [],
    "severity_range_score": "5.0 - 9.8",
    "exploitability": "0.5",
    "weighted_severity": "5.9",
    "risk_score": 3.0,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-bd7s-2nrg-muc3"
}