CVE-2026-48125

{"id": "CVE-2026-48125", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-48125", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-15T12:55:17.247452Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "faisalman", "product": "ua-parser-js", "versions": [{"status": "affected", "version": ">= 2.0.1, < 2.0.10"}]}]}], "published": "2026-07-14T21:16:57.347", "references": [{"url": "https://github.com/faisalman/ua-parser-js/commit/90354d3458495628b1d3ba68a9d76673e6d14fc5", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/faisalman/ua-parser-js/releases/tag/2.0.10", "tags": ["Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/faisalman/ua-parser-js/security/advisories/GHSA-9h5v-pfqq-x599", "tags": ["Exploit", "Vendor Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/faisalman/ua-parser-js/security/advisories/GHSA-9h5v-pfqq-x599", "tags": ["Exploit", "Vendor Advisory"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-400"}, {"lang": "en", "value": "CWE-1333"}]}], "descriptions": [{"lang": "en", "value": "UAParser.js is a JavaScript library to detect browsers, operating systems, CPUs, and devices from user-agent data. From 2.0.1 until 2.0.10, a regular expression denial-of-service vulnerability exists when using the Client Hints API. By sending a crafted Sec-CH-UA-Model header to an application that calls UAParser(headers).withClientHints(), an attacker can cause excessive CPU time due to catastrophic backtracking in the device regex because Client Hints values are copied without the UA_MAX_LENGTH limit used for User-Agent values. This issue is fixed in version 2.0.10."}, {"lang": "es", "value": "UAParser.js es una biblioteca JavaScript para detectar navegadores, sistemas operativos, CPUs y dispositivos a partir de datos de user-agent. Desde la 2.0.1 hasta la 2.0.10, existe una vulnerabilidad de denegaci\u00f3n de servicio por expresi\u00f3n regular al usar la API de Client Hints. Al enviar un encabezado Sec-CH-UA-Model manipulado a una aplicaci\u00f3n que llama a UAParser(headers).withClientHints(), un atacante puede causar un tiempo de CPU excesivo debido a un retroceso catastr\u00f3fico en la expresi\u00f3n regular del dispositivo porque los valores de Client Hints se copian sin el l\u00edmite UA_MAX_LENGTH utilizado para los valores de User-Agent. Este problema est\u00e1 solucionado en la versi\u00f3n 2.0.10."}], "lastModified": "2026-10-24T21:10:00.130", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ua-parser-js_project:ua-parser-js:*:*:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "8EC52E2A-29B9-4E6D-A42D-C4A807C511B0", "versionEndExcluding": "2.0.10", "versionStartIncluding": "2.0.1"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}