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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*", "matchCriteriaId": "82B93B43-AAD0-4F6F-8022-9842E39D73D6", "versionEndExcluding": "128.10.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*", "matchCriteriaId": "4AFE1A41-57DD-4532-9F3F-D3E9705868BA", "versionEndExcluding": "138.0.1", "versionStartIncluding": "129.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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)."}], "id": "CVE-2025-3932", "lastModified": "2025-06-05T14:26:26.170", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2025-05-14T17:15:48.763", "references": [{"source": "security@mozilla.org", "tags": ["Permissions Required"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1960412"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2025-34/"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2025-35/"}], "sourceIdentifier": "security@mozilla.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-288"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2025:8196", "cpe": "cpe:/o:redhat:enterprise_linux:10.0", "package": "thunderbird-0:128.10.1-1.el10_0", "product_name": "Red Hat Enterprise Linux 10", "release_date": "2025-05-27T00:00:00Z"}, {"advisory": "RHSA-2025:8756", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "thunderbird-0:128.11.0-1.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2025-06-10T00:00:00Z"}, {"advisory": "RHSA-2025:8391", "cpe": "cpe:/a:redhat:rhel_aus:8.2", "package": "thunderbird-0:128.10.1-1.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Advanced Update Support", "release_date": "2025-06-02T00:00:00Z"}, {"advisory": "RHSA-2025:8507", "cpe": "cpe:/a:redhat:rhel_aus:8.4", "package": "thunderbird-0:128.10.1-1.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support", "release_date": "2025-06-04T00:00:00Z"}, {"advisory": "RHSA-2025:8594", "cpe": "cpe:/a:redhat:rhel_aus:8.6", "package": "thunderbird-0:128.10.1-1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support", "release_date": "2025-06-05T00:00:00Z"}, {"advisory": "RHSA-2025:8594", "cpe": "cpe:/a:redhat:rhel_tus:8.6", "package": "thunderbird-0:128.10.1-1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Telecommunications Update Service", "release_date": "2025-06-05T00:00:00Z"}, {"advisory": "RHSA-2025:8594", "cpe": "cpe:/a:redhat:rhel_e4s:8.6", "package": "thunderbird-0:128.10.1-1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions", "release_date": "2025-06-05T00:00:00Z"}, {"advisory": "RHSA-2025:8784", "cpe": "cpe:/a:redhat:rhel_tus:8.8", "package": "thunderbird-0:128.10.1-1.el8_8", "product_name": "Red Hat Enterprise Linux 8.8 Telecommunications Update Service", "release_date": "2025-06-10T00:00:00Z"}, {"advisory": "RHSA-2025:8784", "cpe": "cpe:/a:redhat:rhel_e4s:8.8", "package": "thunderbird-0:128.10.1-1.el8_8", "product_name": "Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions", "release_date": "2025-06-10T00:00:00Z"}, {"advisory": "RHSA-2025:8203", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "thunderbird-0:128.10.1-1.el9_6", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2025-05-27T00:00:00Z"}, {"advisory": "RHSA-2025:8324", "cpe": "cpe:/a:redhat:rhel_e4s:9.0", "package": "thunderbird-0:128.10.1-1.el9_0", "product_name": "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions", "release_date": "2025-05-29T00:00:00Z"}, {"advisory": "RHSA-2025:8326", "cpe": "cpe:/a:redhat:rhel_eus:9.2", "package": "thunderbird-0:128.10.1-1.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2025-05-29T00:00:00Z"}, {"advisory": "RHSA-2025:8325", "cpe": "cpe:/a:redhat:rhel_eus:9.4", "package": "thunderbird-0:128.10.1-1.el9_4", "product_name": "Red Hat Enterprise Linux 9.4 Extended Update Support", "release_date": "2025-05-29T00:00:00Z"}], "bugzilla": {"description": "thunderbird: Tracking Links in Attachments Bypassed Remote Content Blocking", "id": "2366297", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2366297"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "status": "verified"}, "cwe": "CWE-288", "details": ["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.", "The Mozilla Foundation's Security Advisory describes the following issue: It is possible to craft an email that shows a tracking link as an attachment. If the user attempts to open the attachment, Thunderbird automatically accesses the link. The configuration to block remote content does 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."], "name": "CVE-2025-3932", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "rhel10/thunderbird-flatpak", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2025-05-14T16:56:43Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-3932\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-3932\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2025-34/#CVE-2025-3932"], "statement": "Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.", "threat_severity": "Low"}

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