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        "dateReserved": "2026-10-22T15:07:30.097Z",
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        "dateUpdated": "2026-10-22T19:00:31.416Z"
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                    "lang": "en",
                    "value": "In lsquic before 4.9.0, the HTTP/3 implementation can use an excessive amount of memory because the number of buffered header sets is not limited, as demonstrated by a QPACK amplification attack. This is related to header_out_dynamic_entry and es_max_header_list_size."
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                        "baseSeverity": "HIGH",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
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                            "description": "CWE-770 Allocation of Resources Without Limits or Throttling",
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            "references": [
                {
                    "url": "https://github.com/litespeedtech/lsquic/pull/666"
                },
                {
                    "url": "https://github.com/litespeedtech/lsquic/compare/v4.8.2...v4.9.0"
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                    "url": "https://foxio.io/blog/header-accordions-qpack-amplification-attacks-against-http-3-servers"
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                                "id": "CVE-2026-115482",
                                "role": "CISA Coordinator",
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                                    {
                                        "Exploitation": "none"
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                                "version": "2.0.3",
                                "timestamp": "2026-10-22T18:34:24.530507Z"
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                "title": "CISA ADP Vulnrichment",
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