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    "cveMetadata": {
        "cveId": "CVE-2026-2291",
        "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b",
        "state": "PUBLISHED",
        "assignerShortName": "certcc",
        "dateReserved": "2026-02-10T15:41:17.169Z",
        "datePublished": "2026-05-11T16:47:01.981Z",
        "dateUpdated": "2026-07-20T20:30:02.766Z"
    },
    "containers": {
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            "title": "CVE-2026-2291",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "dnsmasqs extract_name() function can be abused to cause a heap buffer overflow, allowing an attacker to inject false DNS cache entries, which could result in DNS lookups to redirect to an attacker-controlled IP address, or to cause a DoS."
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "affected": [
                {
                    "vendor": "dnsmasq",
                    "product": "dnsmasq",
                    "versions": [
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                            "status": "affected",
                            "version": "0",
                            "lessThan": "2.92rel2",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "problemTypes": [
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                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "CWE-190: Integer Overflow or Wraparound"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://www.suse.com/security/cve/CVE-2026-2291.html"
                },
                {
                    "url": "https://www.kb.cert.org/vuls/id/471747"
                },
                {
                    "url": "https://thekelleys.org.uk/dnsmasq/CVE/"
                },
                {
                    "url": "https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2026q2/018471.html"
                },
                {
                    "url": "https://github.com/NixOS/nixpkgs/pull/519082"
                },
                {
                    "url": "https://github.com/NixOS/nixpkgs/pull/519093"
                },
                {
                    "url": "https://github.com/pi-hole/FTL/releases/tag/v6.6.2"
                }
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            "providerMetadata": {
                "orgId": "37e5125f-f79b-445b-8fad-9564f167944b",
                "shortName": "certcc",
                "dateUpdated": "2026-05-20T14:07:50.273Z"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 7.3,
                            "attackVector": "NETWORK",
                            "baseSeverity": "HIGH",
                            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
                            "integrityImpact": "LOW",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "LOW",
                            "privilegesRequired": "NONE",
                            "confidentialityImpact": "LOW"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-05-13T12:38:54.623336Z",
                                "id": "CVE-2026-2291",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
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                                        "Technical Impact": "partial"
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                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
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                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-05-13T12:45:01.944Z"
                }
            },
            {
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "http://www.openwall.com/lists/oss-security/2026/07/20/14"
                    }
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