{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-18924",
        "assignerOrgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
        "state": "PUBLISHED",
        "assignerShortName": "curl",
        "dateReserved": "2026-08-05T08:31:56.125Z",
        "datePublished": "2026-09-06T17:47:27.820Z",
        "dateUpdated": "2026-09-15T06:02:47.329Z"
    },
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                "shortName": "curl",
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            },
            "title": "HTTP/2 server push UAF",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A flaw in libcurl's handling of HTTP/2 Server Push streams, when the parent\nhandle is set to share connections with other handles, can lead to\nuse-after-free in the cleanup process."
                }
            ],
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                        },
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                            "lessThan": "8.22.0"
                        }
                    ],
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                },
                {
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                    "product": "curl",
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                            "version": "ea7134ac874a66107e54ff93657ac565cf2ec4aa",
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                            "status": "affected"
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                            "status": "affected"
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                    ],
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            ],
            "references": [
                {
                    "url": "https://curl.se/docs/CVE-2026-18924.json"
                },
                {
                    "url": "https://curl.se/docs/CVE-2026-18924.html"
                },
                {
                    "url": "https://hackerone.com/reports/3916059"
                }
            ],
            "x_osv": {
                "schema_version": "1.5.0",
                "id": "CURL-CVE-2026-18924",
                "aliases": [
                    "CVE-2026-18924"
                ],
                "summary": "HTTP/2 server push UAF",
                "modified": "2026-09-07T10:34:51.00Z",
                "database_specific": {
                    "package": "curl",
                    "affects": "lib",
                    "URL": "https://curl.se/docs/CVE-2026-18924.json",
                    "www": "https://curl.se/docs/CVE-2026-18924.html",
                    "issue": "https://hackerone.com/reports/3916059",
                    "CWE": {
                        "id": "CWE-416",
                        "desc": "Use After Free"
                    },
                    "last_affected": "8.21.0",
                    "severity": "Low"
                },
                "published": "2026-09-02T08:00:00.00Z",
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                                "type": "SEMVER",
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                ],
                "credits": [
                    {
                        "name": "Stephan Zeisberg (Security Research Labs)",
                        "type": "finder"
                    },
                    {
                        "name": "Daniel Stenberg",
                        "type": "remediation developer"
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                ],
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            },
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                            "version": "3.1",
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                            "attackVector": "NETWORK",
                            "baseSeverity": "CRITICAL",
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                            "integrityImpact": "HIGH",
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}