{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-4087", "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "state": "PUBLISHED", "assignerShortName": "mozilla", "dateReserved": "2025-04-29T13:13:41.617Z", "datePublished": "2025-04-29T13:13:42.302Z", "dateUpdated": "2025-11-03T19:58:51.757Z"}, "containers": {"cna": {"affected": [{"product": "Firefox", "vendor": "Mozilla", "versions": [{"lessThan": "138", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Firefox ESR", "vendor": "Mozilla", "versions": [{"lessThan": "128.10", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Thunderbird", "vendor": "Mozilla", "versions": [{"lessThan": "138", "status": "affected", "version": "unspecified", "versionType": "custom"}]}, {"product": "Thunderbird", "vendor": "Mozilla", "versions": [{"lessThan": "128.10", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "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 affects Firefox < 138, Firefox ESR < 128.10, Thunderbird < 138, and Thunderbird < 128.10.", "supportingMedia": [{"type": "text/html", "base64": false, "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 affects Firefox < 138, Firefox ESR < 128.10, Thunderbird < 138, and Thunderbird < 128.10."}]}], "problemTypes": [{"descriptions": [{"description": "Unsafe attribute access during XPath parsing", "lang": "en", "type": "text"}]}], "references": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1952465"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-28/"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-29/"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-31/"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-32/"}], "credits": [{"lang": "en", "value": "Ivan Fratric"}], "providerMetadata": {"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla", "dateUpdated": "2025-05-01T14:22:02.858Z"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-125", "lang": "en", "description": "CWE-125 Out-of-bounds Read"}]}], "metrics": [{"cvssV3_1": {"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"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-04-29T15:51:33.871165Z", "id": "CVE-2025-4087", "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": "2025-09-23T14:54:08.076Z"}}, {"title": "CVE Program Container", "references": [{"url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00024.html"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T19:58:51.757Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"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"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2025-4087", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-04-29T15:51:33.871165Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-125", "description": "CWE-125 Out-of-bounds Read"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-29T15:52:15.821Z"}}], "cna": {"credits": [{"lang": "en", "value": "Ivan Fratric"}], "affected": [{"vendor": "Mozilla", "product": "Firefox", "versions": [{"status": "affected", "version": "unspecified", "lessThan": "138", "versionType": "custom"}]}, {"vendor": "Mozilla", "product": "Firefox ESR", "versions": [{"status": "affected", "version": "unspecified", "lessThan": "128.10", "versionType": "custom"}]}, {"vendor": "Mozilla", "product": "Thunderbird", "versions": [{"status": "affected", "version": "unspecified", "lessThan": "138", "versionType": "custom"}]}, {"vendor": "Mozilla", "product": "Thunderbird", "versions": [{"status": "affected", "version": "unspecified", "lessThan": "128.10", "versionType": "custom"}]}], "references": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1952465"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-28/"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-29/"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-31/"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-32/"}], "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 affects Firefox < 138, Firefox ESR < 128.10, Thunderbird < 138, and Thunderbird < 128.10.", "supportingMedia": [{"type": "text/html", "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 affects Firefox < 138, Firefox ESR < 128.10, Thunderbird < 138, and Thunderbird < 128.10.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "Unsafe attribute access during XPath parsing"}]}], "providerMetadata": {"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "shortName": "mozilla", "dateUpdated": "2025-05-01T14:22:02.858Z"}}}, "cveMetadata": {"cveId": "CVE-2025-4087", "state": "PUBLISHED", "dateUpdated": "2025-09-23T14:54:08.076Z", "dateReserved": "2025-04-29T13:13:41.617Z", "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe", "datePublished": "2025-04-29T13:13:42.302Z", "assignerShortName": "mozilla"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*", "matchCriteriaId": "3378E5EE-9ABF-444B-AA88-9EAF8D8058DE", "versionEndExcluding": "128.10", "vulnerable": true}, {"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*", "matchCriteriaId": "EB8A8C7B-B65D-4DF5-BDB5-0C3C4E2DB72C", "versionEndExcluding": "138.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*", "matchCriteriaId": "DC19822B-CC07-4C6F-BAAD-C7A9C4E73FA9", "versionEndExcluding": "128.10.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*", "matchCriteriaId": "D1E8CCF1-4E91-44CC-A652-B23D1337A485", "versionEndExcluding": "138.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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 affects 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 &lt; 138, Firefox ESR &lt; 128.10, Thunderbird &lt; 138 y Thunderbird ESR &lt; 128.10."}], "id": "CVE-2025-4087", "lastModified": "2025-11-03T20:19:10.400", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 2.5, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2025-04-29T14:15:35.357", "references": [{"source": "security@mozilla.org", "tags": ["Permissions Required"], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1952465"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2025-28/"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2025-29/"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2025-31/"}, {"source": "security@mozilla.org", "tags": ["Vendor Advisory"], "url": "https://www.mozilla.org/security/advisories/mfsa2025-32/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00024.html"}], "sourceIdentifier": "security@mozilla.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2025:7506", "cpe": "cpe:/o:redhat:enterprise_linux:10.0", "package": "firefox-0:128.10.0-1.el10_0", "product_name": "Red Hat Enterprise Linux 10", "release_date": "2025-05-13T00:00:00Z"}, {"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-2025:4751", "cpe": "cpe:/o:redhat:rhel_els:7", "package": "firefox-0:128.10.0-1.el7_9", "product_name": "Red Hat Enterprise Linux 7 Extended Lifecycle Support", "release_date": "2025-05-08T00:00:00Z"}, {"advisory": "RHSA-2025:4458", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "firefox-0:128.10.0-1.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2025-05-05T00:00:00Z"}, {"advisory": "RHSA-2025:4797", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "thunderbird-0:128.10.0-1.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2025-05-12T00:00:00Z"}, {"advisory": "RHSA-2025:7547", "cpe": "cpe:/a:redhat:rhel_aus:8.2", "package": "firefox-0:128.10.0-1.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Advanced Update Support", "release_date": "2025-05-14T00:00:00Z"}, {"advisory": "RHSA-2025:7693", "cpe": "cpe:/a:redhat:rhel_aus:8.2", "package": "thunderbird-0:128.10.0-1.el8_2", "product_name": "Red Hat Enterprise Linux 8.2 Advanced Update Support", "release_date": "2025-05-15T00:00:00Z"}, {"advisory": "RHSA-2025:7545", "cpe": "cpe:/a:redhat:rhel_aus:8.4", "package": "firefox-0:128.10.0-1.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support", "release_date": "2025-05-14T00:00:00Z"}, {"advisory": "RHSA-2025:7691", "cpe": "cpe:/a:redhat:rhel_aus:8.4", "package": "thunderbird-0:128.10.0-1.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support", "release_date": "2025-05-15T00:00:00Z"}, {"advisory": "RHSA-2025:7545", "cpe": "cpe:/a:redhat:rhel_tus:8.4", "package": "firefox-0:128.10.0-1.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Telecommunications Update Service", "release_date": "2025-05-14T00:00:00Z"}, {"advisory": "RHSA-2025:7691", "cpe": "cpe:/a:redhat:rhel_tus:8.4", "package": "thunderbird-0:128.10.0-1.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Telecommunications Update Service", "release_date": "2025-05-15T00:00:00Z"}, {"advisory": "RHSA-2025:7545", "cpe": "cpe:/a:redhat:rhel_e4s:8.4", "package": "firefox-0:128.10.0-1.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions", "release_date": "2025-05-14T00:00:00Z"}, {"advisory": "RHSA-2025:7691", "cpe": "cpe:/a:redhat:rhel_e4s:8.4", "package": "thunderbird-0:128.10.0-1.el8_4", "product_name": "Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions", "release_date": "2025-05-15T00:00:00Z"}, {"advisory": "RHSA-2025:7544", "cpe": "cpe:/a:redhat:rhel_aus:8.6", "package": "firefox-0:128.10.0-1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support", "release_date": "2025-05-14T00:00:00Z"}, {"advisory": "RHSA-2025:7690", "cpe": "cpe:/a:redhat:rhel_aus:8.6", "package": "thunderbird-0:128.10.0-1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support", "release_date": "2025-05-15T00:00:00Z"}, {"advisory": "RHSA-2025:7544", "cpe": "cpe:/a:redhat:rhel_tus:8.6", "package": "firefox-0:128.10.0-1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Telecommunications Update Service", "release_date": "2025-05-14T00:00:00Z"}, {"advisory": "RHSA-2025:7690", "cpe": "cpe:/a:redhat:rhel_tus:8.6", "package": "thunderbird-0:128.10.0-1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Telecommunications Update Service", "release_date": "2025-05-15T00:00:00Z"}, {"advisory": "RHSA-2025:7544", "cpe": "cpe:/a:redhat:rhel_e4s:8.6", "package": "firefox-0:128.10.0-1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions", "release_date": "2025-05-14T00:00:00Z"}, {"advisory": "RHSA-2025:7690", "cpe": "cpe:/a:redhat:rhel_e4s:8.6", "package": "thunderbird-0:128.10.0-1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions", "release_date": "2025-05-15T00:00:00Z"}, {"advisory": "RHSA-2025:7543", "cpe": "cpe:/a:redhat:rhel_eus:8.8", "package": "firefox-0:128.10.0-1.el8_8", "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "release_date": "2025-05-14T00:00:00Z"}, {"advisory": "RHSA-2025:7689", "cpe": "cpe:/a:redhat:rhel_eus:8.8", "package": "thunderbird-0:128.10.0-1.el8_8", "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "release_date": "2025-05-15T00:00:00Z"}, {"advisory": "RHSA-2025:4443", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "firefox-0:128.10.0-1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2025-05-05T00:00:00Z"}, {"advisory": "RHSA-2025:4460", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "thunderbird-0:128.10.0-1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2025-05-05T00:00:00Z"}, {"advisory": "RHSA-2025:7428", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "firefox-0:128.10.0-1.el9_6", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2025-05-13T00:00:00Z"}, {"advisory": "RHSA-2025:4753", "cpe": "cpe:/a:redhat:rhel_e4s:9.0", "package": "firefox-0:128.10.0-1.el9_0", "product_name": "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions", "release_date": "2025-05-08T00:00:00Z"}, {"advisory": "RHSA-2025:7692", "cpe": "cpe:/a:redhat:rhel_e4s:9.0", "package": "thunderbird-0:128.10.0-1.el9_0", "product_name": "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions", "release_date": "2025-05-15T00:00:00Z"}, {"advisory": "RHSA-2025:4752", "cpe": "cpe:/a:redhat:rhel_eus:9.2", "package": "firefox-0:128.10.0-1.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2025-05-08T00:00:00Z"}, {"advisory": "RHSA-2025:7694", "cpe": "cpe:/a:redhat:rhel_eus:9.2", "package": "thunderbird-0:128.10.0-1.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2025-05-15T00:00:00Z"}, {"advisory": "RHSA-2025:4756", "cpe": "cpe:/a:redhat:rhel_eus:9.4", "package": "firefox-0:128.10.0-1.el9_4", "product_name": "Red Hat Enterprise Linux 9.4 Extended Update Support", "release_date": "2025-05-08T00:00:00Z"}, {"advisory": "RHSA-2025:7695", "cpe": "cpe:/a:redhat:rhel_eus:9.4", "package": "thunderbird-0:128.10.0-1.el9_4", "product_name": "Red Hat Enterprise Linux 9.4 Extended Update Support", "release_date": "2025-05-15T00:00:00Z"}], "bugzilla": {"description": "firefox: thunderbird: Unsafe attribute access during XPath parsing", "id": "2362904", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2362904"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.6", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H", "status": "verified"}, "cwe": "CWE-125", "details": ["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 affects Firefox < 138, Firefox ESR < 128.10, Thunderbird < 138, and Thunderbird < 128.10.", "A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: 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."], "name": "CVE-2025-4087", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "firefox-flatpak-container", "product_name": "Red Hat Enterprise Linux 10"}, {"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": "firefox", "product_name": "Red Hat Enterprise Linux 6"}, {"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": "firefox-flatpak-container", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "thunderbird-flatpak-container", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-04-29T13:13:42Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-4087\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-4087\nhttps://bugzilla.mozilla.org/show_bug.cgi?id=1952465\nhttps://www.mozilla.org/security/advisories/mfsa2025-28/\nhttps://www.mozilla.org/security/advisories/mfsa2025-29/\nhttps://www.mozilla.org/security/advisories/mfsa2025-31/\nhttps://www.mozilla.org/security/advisories/mfsa2025-32/"], "statement": "Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.", "threat_severity": "Moderate"}

{}