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        "cveId": "CVE-2025-47436",
        "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "state": "PUBLISHED",
        "assignerShortName": "apache",
        "dateReserved": "2025-05-07T05:04:56.166Z",
        "datePublished": "2025-05-14T13:11:36.329Z",
        "dateUpdated": "2025-05-14T20:58:23.567Z"
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                            "version": "0",
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                            "version": "2.0.0",
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                    "type": "reporter",
                    "value": "Jason Villaluna"
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                            "value": "<p>Heap-based Buffer Overflow vulnerability in Apache ORC.</p><p>A vulnerability has been identified in the ORC C++ LZO decompression logic, where specially crafted malformed ORC files can cause the decompressor to&nbsp;<span style=\"background-color: rgb(255, 255, 255);\">allocate a 250-byte buffer but then attempts to copy 295 bytes into it. It causes memory corruption.</span></p><p>This issue affects Apache ORC C++ library: through 1.8.8, from 1.9.0 through 1.9.5, from 2.0.0 through 2.0.4, from 2.1.0 through 2.1.1.</p><p>Users are recommended to upgrade to version 1.8.9, 1.9.6, 2.0.5, and 2.1.2, which fix the issue.</p>"
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                        "providerUrgency": "AMBER",
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                    "tags": [
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                    "url": "https://orc.apache.org/security/CVE-2025-47436/"
                },
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                    "url": "https://lists.apache.org/thread/kd6tlv8fs5jybmsgxr4vrkdxyc866wrn"
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            "source": {
                "defect": [
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                "discovery": "EXTERNAL"
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            "title": "Apache ORC: Potential Heap Buffer Overflow during C++ LZO Decompression",
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