CVE-2025-4087

{"id": "CVE-2025-4087", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 3.9}]}, "published": "2025-04-29T14:15:35.357", "references": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1952465", "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-28/", "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-29/", "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-31/", "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-32/", "source": "security@mozilla.org"}], "vulnStatus": "Received", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability was identified in Firefox 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 affects Firefox < 138, Firefox ESR < 128.10, Thunderbird < 138, and Thunderbird ESR < 128.10."}], "lastModified": "2025-04-29T16:15:39.017", "sourceIdentifier": "security@mozilla.org"}