CVE-2025-3932

{"id": "CVE-2025-3932", "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:R/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "published": "2025-05-14T17:15:48.763", "references": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1960412", "tags": ["Permissions Required"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-34/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-35/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-288"}]}], "descriptions": [{"lang": "en", "value": "It was possible to craft an email that showed a tracking link as an attachment. If the user attempted to open the attachment, Thunderbird automatically accessed the link. The configuration to block remote content did not prevent that. Thunderbird has been fixed to no longer allow access to web pages listed in the X-Mozilla-External-Attachment-URL header of an email. This vulnerability affects Thunderbird < 128.10.1 and Thunderbird < 138.0.1."}, {"lang": "es", "value": "Se pudo crear un correo electr\u00f3nico que mostraba un enlace de seguimiento como archivo adjunto. Si el usuario intentaba abrirlo, Thunderbird acced\u00eda autom\u00e1ticamente al enlace. La configuraci\u00f3n para bloquear contenido remoto no lo impidi\u00f3. Se ha corregido Thunderbird para que ya no permita el acceso a las p\u00e1ginas web que aparecen en el encabezado X-Mozilla-External-Attachment-URL de un correo electr\u00f3nico. Esta vulnerabilidad afecta a Thunderbird (versi\u00f3n anterior a la 128.10.1) y Thunderbird (versi\u00f3n anterior a la 138.0.1)."}], "lastModified": "2025-06-05T14:26:26.170", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "82B93B43-AAD0-4F6F-8022-9842E39D73D6", "versionEndExcluding": "128.10.1"}, {"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4AFE1A41-57DD-4532-9F3F-D3E9705868BA", "versionEndExcluding": "138.0.1", "versionStartIncluding": "129.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@mozilla.org"}