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        "cveId": "CVE-2025-55753",
        "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "state": "PUBLISHED",
        "assignerShortName": "apache",
        "dateReserved": "2025-08-15T08:38:37.265Z",
        "datePublished": "2025-12-05T10:12:22.041Z",
        "dateUpdated": "2025-12-05T19:27:31.842Z"
    },
    "containers": {
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            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "product": "Apache HTTP Server",
                    "vendor": "Apache Software Foundation",
                    "versions": [
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                            "lessThan": "2.4.66",
                            "status": "affected",
                            "version": "2.4.30",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "finder",
                    "value": "Aisle Research"
                }
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                    "lang": "en",
                    "supportingMedia": [
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                            "type": "text/html",
                            "value": "<p><span style=\"background-color: rgb(255, 255, 255);\">An integer overflow in the case of failed ACME certificate renewal leads, after a number of failures (~30 days in default configurations), to the backoff timer becoming 0. Attempts to renew the certificate then are repeated without delays until it succeeds.</span></p><p>This issue affects Apache HTTP Server: from 2.4.30 before 2.4.66.<br></p><p>Users are recommended to upgrade to version 2.4.66, which fixes the issue.</p>"
                        }
                    ],
                    "value": "An integer overflow in the case of failed ACME certificate renewal leads, after a number of failures (~30 days in default configurations), to the backoff timer becoming 0. Attempts to renew the certificate then are repeated without delays until it succeeds.\n\nThis issue affects Apache HTTP Server: from 2.4.30 before 2.4.66.\n\n\nUsers are recommended to upgrade to version 2.4.66, which fixes the issue."
                }
            ],
            "metrics": [
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                    "other": {
                        "content": {
                            "text": "low"
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                        "type": "Textual description of severity"
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                {
                    "descriptions": [
                        {
                            "cweId": "CWE-190",
                            "description": "CWE-190 Integer Overflow or Wraparound",
                            "lang": "en",
                            "type": "CWE"
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                    ]
                }
            ],
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                "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
                "shortName": "apache",
                "dateUpdated": "2025-12-05T10:12:22.041Z"
            },
            "references": [
                {
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://httpd.apache.org/security/vulnerabilities_24.html"
                }
            ],
            "source": {
                "discovery": "EXTERNAL"
            },
            "timeline": [
                {
                    "lang": "en",
                    "time": "2025-08-15T10:58:00.000Z",
                    "value": "reported"
                },
                {
                    "lang": "en",
                    "time": "2025-11-20T12:00:00.000Z",
                    "value": "fixed by r1929884 in 2.4.x"
                }
            ],
            "title": "Apache HTTP Server: mod_md (ACME), unintended retry intervals",
            "x_generator": {
                "engine": "Vulnogram 0.2.0"
            }
        },
        "adp": [
            {
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "http://www.openwall.com/lists/oss-security/2025/12/04/4"
                    }
                ],
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2025-12-05T11:05:52.628Z"
                }
            },
            {
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 7.5,
                            "attackVector": "NETWORK",
                            "baseSeverity": "HIGH",
                            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                            "integrityImpact": "NONE",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "NONE",
                            "privilegesRequired": "NONE",
                            "confidentialityImpact": "HIGH"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2025-12-05T19:26:40.760698Z",
                                "id": "CVE-2025-55753",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2025-12-05T19:27:31.842Z"
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