CVE-2025-55753

{"id": "CVE-2025-55753", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"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"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2025-12-05T11:15:51.890", "references": [{"url": "https://httpd.apache.org/security/vulnerabilities_24.html", "tags": ["Vendor Advisory"], "source": "security@apache.org"}, {"url": "http://www.openwall.com/lists/oss-security/2025/12/04/4", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security@apache.org", "description": [{"lang": "en", "value": "CWE-190"}]}], "descriptions": [{"lang": "en", "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."}], "lastModified": "2025-12-10T16:39:14.227", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F12C6C19-6BDC-46A8-8FF3-CD474A165126", "versionEndExcluding": "2.4.66", "versionStartIncluding": "2.4.30"}], "operator": "OR"}]}], "sourceIdentifier": "security@apache.org"}