CVE-2026-48125

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{"affected": [{"affectedData": [{"product": "ua-parser-js", "vendor": "faisalman", "versions": [{"status": "affected", "version": ">= 2.0.1, < 2.0.10"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:ua-parser-js_project:ua-parser-js:*:*:*:*:*:node.js:*:*", "matchCriteriaId": "8EC52E2A-29B9-4E6D-A42D-C4A807C511B0", "versionEndExcluding": "2.0.10", "versionStartIncluding": "2.0.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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."}], "id": "CVE-2026-48125", "lastModified": "2026-10-24T21:10:00.130", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-48125", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-15T12:55:17.247452Z", "version": "2.0.3"}}]}, "published": "2026-07-14T21:16:57.347", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/faisalman/ua-parser-js/commit/90354d3458495628b1d3ba68a9d76673e6d14fc5"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/faisalman/ua-parser-js/releases/tag/2.0.10"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/faisalman/ua-parser-js/security/advisories/GHSA-9h5v-pfqq-x599"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/faisalman/ua-parser-js/security/advisories/GHSA-9h5v-pfqq-x599"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}, {"lang": "en", "value": "CWE-1333"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "ua-parser-js: UAParser.js: Denial of Service via crafted Client Hints header", "id": "2500746", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2500746"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-1333", "details": ["A flaw was found in UAParser.js, a JavaScript library for detecting client information. A remote attacker can exploit this vulnerability by sending a specially crafted `Sec-CH-UA-Model` header when the application uses the Client Hints API. This can cause excessive CPU usage due to a regular expression denial-of-service (ReDoS) issue, leading to a denial of service for the affected application."], "mitigation": {"lang": "en:us", "value": "There is no mitigation for this flaw. Upstream patches should be applied when available. The impact is limited to availability (denial of service) with low severity \u2014 an attacker can cause CPU exhaustion but cannot access or modify data."}, "name": "CVE-2026-48125", "package_state": [{"cpe": "cpe:/a:redhat:gatekeeper:3", "fix_state": "Fix deferred", "package_name": "gatekeeper/gatekeeper-rhel9", "product_name": "Gatekeeper 3"}, {"cpe": "cpe:/a:redhat:rhmt:1", "fix_state": "Fix deferred", "package_name": "rhmtc/openshift-migration-ui-rhel8", "product_name": "Migration Toolkit for Containers"}, {"cpe": "cpe:/a:redhat:podman_desktop:1", "fix_state": "Fix deferred", "package_name": "rh-podman-desktop.git", "product_name": "Red Hat Build of Podman Desktop"}, {"cpe": "cpe:/a:redhat:ceph_storage:9", "fix_state": "Fix deferred", "package_name": "rhceph/alloy-rhel10", "product_name": "Red Hat Ceph Storage 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "subscription-manager", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Fix deferred", "impact": "moderate", "package_name": "dotnet8.0", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:openshift_ai", "fix_state": "Fix deferred", "package_name": "rhoai/odh-mlflow-rhel9", "product_name": "Red Hat OpenShift AI (RHOAI)"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift4/ose-console", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift4/ose-console-rhel9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-07-14T20:54:56Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-48125\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-48125\nhttps://github.com/faisalman/ua-parser-js/commit/90354d3458495628b1d3ba68a9d76673e6d14fc5\nhttps://github.com/faisalman/ua-parser-js/releases/tag/2.0.10\nhttps://github.com/faisalman/ua-parser-js/security/advisories/GHSA-9h5v-pfqq-x599"], "statement": "A Regular Expression Denial of Service (ReDoS) vulnerability was found in the ua-parser-js npm package. A remote attacker could send a crafted Client Hints header that causes excessive CPU consumption due to inefficient regular expression processing, leading to a denial of service condition. Red Hat ships ua-parser-js as a bundled npm dependency in multiple products including OpenShift Console, Ceph Storage, RHOAI, Podman Desktop, Gatekeeper, MTC, and various cloud services.", "threat_severity": "Moderate"}

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