CVE-2025-4087

{"id": "CVE-2025-4087", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-4087", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2025-04-29T15:51:33.871165Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 2.2}]}, "affected": [{"source": "security@mozilla.org", "affectedData": [{"vendor": "Mozilla", "product": "Firefox", "versions": [{"status": "unaffected", "version": "128.10", "versionType": "rpm", "lessThanOrEqual": "128.*"}, {"status": "unaffected", "version": "138", "versionType": "rpm", "lessThanOrEqual": "*"}]}, {"vendor": "Mozilla", "product": "Thunderbird", "versions": [{"status": "unaffected", "version": "128.10", "versionType": "rpm", "lessThanOrEqual": "128.*"}, {"status": "unaffected", "version": "138", "versionType": "rpm", "lessThanOrEqual": "*"}]}]}], "published": "2025-04-29T14:15:35.357", "references": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1952465", "tags": ["Permissions Required"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-28/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-29/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-31/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-32/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00024.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability was identified in Thunderbird where XPath parsing could trigger undefined behavior due to missing null checks during attribute access. This could lead to out-of-bounds read access and potentially, memory corruption. This vulnerability was fixed in Firefox 138, Firefox ESR 128.10, Thunderbird 138, and Thunderbird 128.10."}, {"lang": "es", "value": "Se identific\u00f3 una vulnerabilidad en Firefox donde el an\u00e1lisis de XPath pod\u00eda generar un comportamiento indefinido debido a la omisi\u00f3n de comprobaciones nulas durante el acceso a atributos. Esto podr\u00eda provocar accesos de lectura fuera de los l\u00edmites y, potencialmente, corrupci\u00f3n de memoria. Esta vulnerabilidad afecta a Firefox menor que 138, Firefox ESR menor que 128.10, Thunderbird menor que 138 y Thunderbird ESR menor que 128.10."}], "lastModified": "2026-10-05T15:10:00.590", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*", "vulnerable": true, "matchCriteriaId": "3378E5EE-9ABF-444B-AA88-9EAF8D8058DE", "versionEndExcluding": "128.10"}, {"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "EB8A8C7B-B65D-4DF5-BDB5-0C3C4E2DB72C", "versionEndExcluding": "138.0"}, {"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*", "vulnerable": true, "matchCriteriaId": "DC19822B-CC07-4C6F-BAAD-C7A9C4E73FA9", "versionEndExcluding": "128.10.0"}, {"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "D1E8CCF1-4E91-44CC-A652-B23D1337A485", "versionEndExcluding": "138.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@mozilla.org"}