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        "cveId": "CVE-2026-54399",
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        "state": "PUBLISHED",
        "assignerShortName": "apache",
        "dateReserved": "2026-06-13T10:04:54.084Z",
        "datePublished": "2026-07-01T17:02:21.778Z",
        "dateUpdated": "2026-07-01T17:36:47.358Z"
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                            "version": "5.5-alpha",
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            "credits": [
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                    "lang": "en",
                    "type": "finder",
                    "value": "Henry Huang <zhuang3@paypal.com>"
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                            "value": "<p>Uncontrolled Resource Consumption vulnerability in the HTTP/1.1 message parser&nbsp;in Apache HttpComponents Core (5.4.2 and earlier, 5.5-beta1 and earlier) allows&nbsp;an remote attacker to cause a denial of service through memory exhaustion by sending messages with excessive number of headers / excessive header length</p><p></p>"
                        }
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                }
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                            "description": "CWE-400 Uncontrolled Resource Consumption",
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                "dateUpdated": "2026-07-01T17:06:01.449Z"
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                    "url": "https://lists.apache.org/thread/zmxh1pl2zohov5ntdh4lt85gfrlchgpy"
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            "source": {
                "discovery": "UNKNOWN"
            },
            "title": "Apache HttpComponents Core: Unbounded HTTP Header/Line Length in Default Configuration",
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                            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                            "integrityImpact": "NONE",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "NONE",
                            "confidentialityImpact": "NONE"
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                                "timestamp": "2026-07-01T17:34:34.579868Z",
                                "id": "CVE-2026-54399",
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