{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-3523", "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "state": "PUBLISHED", "assignerShortName": "mozilla", "dateReserved": "2025-04-11T15:27:51.919Z", "datePublished": "2025-04-15T15:06:14.164Z", "dateUpdated": "2025-04-15T17:51:38.126Z"}, "containers": {"cna": {"affected": [{"product": "Thunderbird", "vendor": "Mozilla", "versions": [{"lessThan": "137.0.2", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Thunderbird", "vendor": "Mozilla", "versions": [{"lessThan": "128.9.2", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "When an email contains multiple attachments with external links via the X-Mozilla-External-Attachment-URL header, only the last link is shown when hovering over any attachment. Although the correct link is used on click, the misleading hover text could trick users into downloading content from untrusted sources. This vulnerability affects Thunderbird < 137.0.2 and Thunderbird < 128.9.2.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "When an email contains multiple attachments with external links via the X-Mozilla-External-Attachment-URL header, only the last link is shown when hovering over any attachment. Although the correct link is used on click, the misleading hover text could trick users into downloading content from untrusted sources. This vulnerability affects Thunderbird < 137.0.2 and Thunderbird < 128.9.2."}]}], "problemTypes": [{"descriptions": [{"description": "User Interface (UI) Misrepresentation of attachment URL", "lang": "en", "type": "text"}]}], "references": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1958385"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-26/"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-27/"}], "credits": [{"lang": "en", "value": "Dario Wei\u00dfer"}], "providerMetadata": {"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla", "dateUpdated": "2025-04-15T15:06:14.164Z"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-451", "lang": "en", "description": "CWE-451 User Interface (UI) Misrepresentation of Critical Information"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:L", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-04-15T17:45:32.075828Z", "id": "CVE-2025-3523", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-15T17:51:38.126Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:L", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2025-3523", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-04-15T17:45:32.075828Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-451", "description": "CWE-451 User Interface (UI) Misrepresentation of Critical Information"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-15T17:51:32.228Z"}}], "cna": {"credits": [{"lang": "en", "value": "Dario Wei\u00dfer"}], "affected": [{"vendor": "Mozilla", "product": "Thunderbird", "versions": [{"status": "affected", "version": "unspecified", "lessThan": "137.0.2", "versionType": "custom"}]}, {"vendor": "Mozilla", "product": "Thunderbird", "versions": [{"status": "affected", "version": "unspecified", "lessThan": "128.9.2", "versionType": "custom"}]}], "references": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1958385"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-26/"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-27/"}], "descriptions": [{"lang": "en", "value": "When an email contains multiple attachments with external links via the X-Mozilla-External-Attachment-URL header, only the last link is shown when hovering over any attachment. Although the correct link is used on click, the misleading hover text could trick users into downloading content from untrusted sources. This vulnerability affects Thunderbird < 137.0.2 and Thunderbird < 128.9.2.", "supportingMedia": [{"type": "text/html", "value": "When an email contains multiple attachments with external links via the X-Mozilla-External-Attachment-URL header, only the last link is shown when hovering over any attachment. Although the correct link is used on click, the misleading hover text could trick users into downloading content from untrusted sources. This vulnerability affects Thunderbird < 137.0.2 and Thunderbird < 128.9.2.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "User Interface (UI) Misrepresentation of attachment URL"}]}], "providerMetadata": {"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla", "dateUpdated": "2025-04-15T15:06:14.164Z"}}}, "cveMetadata": {"cveId": "CVE-2025-3523", "state": "PUBLISHED", "dateUpdated": "2025-04-15T17:51:38.126Z", "dateReserved": "2025-04-11T15:27:51.919Z", "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "datePublished": "2025-04-15T15:06:14.164Z", "assignerShortName": "mozilla"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*", "matchCriteriaId": "D11A3908-71D7-4967-8029-0D4DD57F384C", "versionEndExcluding": "128.9.2", "vulnerable": true}, {"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*", "matchCriteriaId": "971D9339-D135-4B63-A4DA-E333080DA5E6", "versionEndExcluding": "137.0.2", "versionStartIncluding": "129.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "When an email contains multiple attachments with external links via the X-Mozilla-External-Attachment-URL header, only the last link is shown when hovering over any attachment. Although the correct link is used on click, the misleading hover text could trick users into downloading content from untrusted sources. This vulnerability affects Thunderbird < 137.0.2 and Thunderbird < 128.9.2."}, {"lang": "es", "value": "Cuando un correo electr\u00f3nico contiene varios archivos adjuntos con enlaces externos mediante el encabezado X-Mozilla-External-Attachment-URL, solo se muestra el \u00faltimo enlace al pasar el cursor sobre cualquier archivo adjunto. Aunque se usa el enlace correcto al hacer clic, el texto enga\u00f1oso al pasar el cursor podr\u00eda inducir a los usuarios a descargar contenido de fuentes no confiables. Esta vulnerabilidad afecta a Thunderbird (versi\u00f3n anterior a la 137.0.2) y Thunderbird (versi\u00f3n anterior a la 128.9.2)."}], "id": "CVE-2025-3523", "lastModified": "2025-06-13T18:51:08.223", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:L", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 4.7, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2025-04-15T15:16:09.957", "references": [{"source": "security@mozilla.org", "tags": ["Permissions Required"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1958385"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2025-26/"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2025-27/"}], "sourceIdentifier": "security@mozilla.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-451"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2025:7507", "cpe": "cpe:/o:redhat:enterprise_linux:10.0", "package": "thunderbird-0:128.10.0-1.el10_0", "product_name": "Red Hat Enterprise Linux 10", "release_date": "2025-05-13T00:00:00Z"}, {"advisory": "RHSA-2025:4649", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "thunderbird-0:128.9.2-1.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2025-05-07T00:00:00Z"}, {"advisory": "RHSA-2025:4389", "cpe": "cpe:/a:redhat:rhel_aus:8.2", "package": "thunderbird-0:128.9.2-1.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Advanced Update Support", "release_date": "2025-04-30T00:00:00Z"}, {"advisory": "RHSA-2025:4654", "cpe": "cpe:/a:redhat:rhel_aus:8.4", "package": "thunderbird-0:128.9.2-1.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support", "release_date": "2025-05-07T00:00:00Z"}, {"advisory": "RHSA-2025:4654", "cpe": "cpe:/a:redhat:rhel_tus:8.4", "package": "thunderbird-0:128.9.2-1.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Telecommunications Update Service", "release_date": "2025-05-07T00:00:00Z"}, {"advisory": "RHSA-2025:4654", "cpe": "cpe:/a:redhat:rhel_e4s:8.4", "package": "thunderbird-0:128.9.2-1.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions", "release_date": "2025-05-07T00:00:00Z"}, {"advisory": "RHSA-2025:4665", "cpe": "cpe:/a:redhat:rhel_aus:8.6", "package": "thunderbird-0:128.9.2-1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support", "release_date": "2025-05-07T00:00:00Z"}, {"advisory": "RHSA-2025:4665", "cpe": "cpe:/a:redhat:rhel_tus:8.6", "package": "thunderbird-0:128.9.2-1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Telecommunications Update Service", "release_date": "2025-05-07T00:00:00Z"}, {"advisory": "RHSA-2025:4665", "cpe": "cpe:/a:redhat:rhel_e4s:8.6", "package": "thunderbird-0:128.9.2-1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions", "release_date": "2025-05-07T00:00:00Z"}, {"advisory": "RHSA-2025:4617", "cpe": "cpe:/a:redhat:rhel_eus:8.8", "package": "thunderbird-0:128.9.2-1.el8_8", "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "release_date": "2025-05-07T00:00:00Z"}, {"advisory": "RHSA-2025:4229", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "thunderbird-0:128.9.2-1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2025-04-28T00:00:00Z"}, {"advisory": "RHSA-2025:7435", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "thunderbird-0:128.10.0-1.el9_6", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2025-05-13T00:00:00Z"}, {"advisory": "RHSA-2025:4514", "cpe": "cpe:/a:redhat:rhel_e4s:9.0", "package": "thunderbird-0:128.9.2-1.el9_0", "product_name": "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions", "release_date": "2025-05-06T00:00:00Z"}, {"advisory": "RHSA-2025:4513", "cpe": "cpe:/a:redhat:rhel_eus:9.2", "package": "thunderbird-0:128.9.2-1.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2025-05-06T00:00:00Z"}, {"advisory": "RHSA-2025:4512", "cpe": "cpe:/a:redhat:rhel_eus:9.4", "package": "thunderbird-0:128.9.2-1.el9_4", "product_name": "Red Hat Enterprise Linux 9.4 Extended Update Support", "release_date": "2025-05-06T00:00:00Z"}], "bugzilla": {"description": "thunderbird: User Interface (UI) Misrepresentation of attachment URL", "id": "2359786", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2359786"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.4", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:L", "status": "verified"}, "cwe": "CWE-451", "details": ["When an email contains multiple attachments with external links via the X-Mozilla-External-Attachment-URL header, only the last link is shown when hovering over any attachment. Although the correct link is used on click, the misleading hover text could trick users into downloading content from untrusted sources. This vulnerability affects Thunderbird < 137.0.2 and Thunderbird < 128.9.2."], "name": "CVE-2025-3523", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "thunderbird-flatpak-container", "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"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "thunderbird-flatpak-container", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-04-15T15:06:14Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-3523\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-3523\nhttps://bugzilla.mozilla.org/show_bug.cgi?id=1958385\nhttps://www.mozilla.org/security/advisories/mfsa2025-26/\nhttps://www.mozilla.org/security/advisories/mfsa2025-27/"], "statement": "Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.", "threat_severity": "Low"}