CVE-2025-55095

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-55095", "assignerOrgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c", "state": "PUBLISHED", "assignerShortName": "eclipse", "dateReserved": "2025-08-06T18:56:43.458Z", "datePublished": "2026-01-27T15:34:47.755Z", "dateUpdated": "2026-01-27T15:58:14.494Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Eclipse ThreadX - USBX", "repo": "https://github.com/eclipse-threadx/usbx", "vendor": "Eclipse Foundation", "versions": [{"lessThanOrEqual": "6.4.2", "status": "affected", "version": "0", "versionType": "semver"}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "The function <code>_ux_host_class_storage_media_mount()</code>&nbsp;is responsible for mounting partitions on a USB mass storage device. When it encounters an extended partition entry in the partition table, it recursively calls itself to mount the next logical partition.<br><br>This recursion occurs in <code>_ux_host_class_storage_partition_read()</code>, which parses up to four partition entries. If an extended partition is found (with type <code>UX_HOST_CLASS_STORAGE_PARTITION_EXTENDED</code>&nbsp;or <code>EXTENDED_LBA_MAPPED</code>), the code invokes:<br><code><code> _ux_host_class_storage_media_mount(storage, sector + _ux_utility_long_get(...));<br>\n</code></code><br>There is no limit on the recursion depth or tracking of visited sectors. As a result, a malicious or malformed disk image can include cyclic or excessively deep chains of extended partitions, causing the function to recurse until stack overflow occurs.<br><br>"}], "value": "The function _ux_host_class_storage_media_mount()\u00a0is responsible for mounting partitions on a USB mass storage device. When it encounters an extended partition entry in the partition table, it recursively calls itself to mount the next logical partition.\n\nThis recursion occurs in _ux_host_class_storage_partition_read(), which parses up to four partition entries. If an extended partition is found (with type UX_HOST_CLASS_STORAGE_PARTITION_EXTENDED\u00a0or EXTENDED_LBA_MAPPED), the code invokes:\n _ux_host_class_storage_media_mount(storage, sector + _ux_utility_long_get(...));\n\n\nThere is no limit on the recursion depth or tracking of visited sectors. As a result, a malicious or malformed disk image can include cyclic or excessively deep chains of extended partitions, causing the function to recurse until stack overflow occurs."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 4.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-121", "description": "CWE-121 Stack-based Buffer Overflow", "lang": "en", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-674", "description": "CWE-674 Uncontrolled Recursion", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c", "shortName": "eclipse", "dateUpdated": "2026-01-27T15:34:47.755Z"}, "references": [{"url": "https://github.com/eclipse-threadx/usbx/security/advisories/GHSA-qfmp-wch9-rpv2"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 0.5.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-01-27T15:57:28.543629Z", "id": "CVE-2025-55095", "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": "2026-01-27T15:58:14.494Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-55095", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-01-27T15:57:28.543629Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-27T15:58:06.840Z"}}], "cna": {"source": {"discovery": "UNKNOWN"}, "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.2, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"repo": "https://github.com/eclipse-threadx/usbx", "vendor": "Eclipse Foundation", "product": "Eclipse ThreadX - USBX", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "6.4.2"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://github.com/eclipse-threadx/usbx/security/advisories/GHSA-qfmp-wch9-rpv2"}], "x_generator": {"engine": "Vulnogram 0.5.0"}, "descriptions": [{"lang": "en", "value": "The function _ux_host_class_storage_media_mount()\u00a0is responsible for mounting partitions on a USB mass storage device. When it encounters an extended partition entry in the partition table, it recursively calls itself to mount the next logical partition.\n\nThis recursion occurs in _ux_host_class_storage_partition_read(), which parses up to four partition entries. If an extended partition is found (with type UX_HOST_CLASS_STORAGE_PARTITION_EXTENDED\u00a0or EXTENDED_LBA_MAPPED), the code invokes:\n _ux_host_class_storage_media_mount(storage, sector + _ux_utility_long_get(...));\n\n\nThere is no limit on the recursion depth or tracking of visited sectors. As a result, a malicious or malformed disk image can include cyclic or excessively deep chains of extended partitions, causing the function to recurse until stack overflow occurs.", "supportingMedia": [{"type": "text/html", "value": "The function <code>_ux_host_class_storage_media_mount()</code>&nbsp;is responsible for mounting partitions on a USB mass storage device. When it encounters an extended partition entry in the partition table, it recursively calls itself to mount the next logical partition.<br><br>This recursion occurs in <code>_ux_host_class_storage_partition_read()</code>, which parses up to four partition entries. If an extended partition is found (with type <code>UX_HOST_CLASS_STORAGE_PARTITION_EXTENDED</code>&nbsp;or <code>EXTENDED_LBA_MAPPED</code>), the code invokes:<br><code><code> _ux_host_class_storage_media_mount(storage, sector + _ux_utility_long_get(...));<br>\n</code></code><br>There is no limit on the recursion depth or tracking of visited sectors. As a result, a malicious or malformed disk image can include cyclic or excessively deep chains of extended partitions, causing the function to recurse until stack overflow occurs.<br><br>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-121", "description": "CWE-121 Stack-based Buffer Overflow"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-674", "description": "CWE-674 Uncontrolled Recursion"}]}], "providerMetadata": {"orgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c", "shortName": "eclipse", "dateUpdated": "2026-01-27T15:34:47.755Z"}}}, "cveMetadata": {"cveId": "CVE-2025-55095", "state": "PUBLISHED", "dateUpdated": "2026-01-27T15:58:14.494Z", "dateReserved": "2025-08-06T18:56:43.458Z", "assignerOrgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c", "datePublished": "2026-01-27T15:34:47.755Z", "assignerShortName": "eclipse"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Eclipse ThreadX - USBX", "repo": "https://github.com/eclipse-threadx/usbx", "vendor": "Eclipse Foundation", "versions": [{"lessThanOrEqual": "6.4.2", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "emo@eclipse.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:eclipse:threadx_usbx:*:*:*:*:*:*:*:*", "matchCriteriaId": "20DABE32-85DD-488D-A75F-75828FAA6DAD", "versionEndExcluding": "6.4.5.202504", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The function _ux_host_class_storage_media_mount()\u00a0is responsible for mounting partitions on a USB mass storage device. When it encounters an extended partition entry in the partition table, it recursively calls itself to mount the next logical partition.\n\nThis recursion occurs in _ux_host_class_storage_partition_read(), which parses up to four partition entries. If an extended partition is found (with type UX_HOST_CLASS_STORAGE_PARTITION_EXTENDED\u00a0or EXTENDED_LBA_MAPPED), the code invokes:\n _ux_host_class_storage_media_mount(storage, sector + _ux_utility_long_get(...));\n\n\nThere is no limit on the recursion depth or tracking of visited sectors. As a result, a malicious or malformed disk image can include cyclic or excessively deep chains of extended partitions, causing the function to recurse until stack overflow occurs."}, {"lang": "es", "value": "La funci\u00f3n _ux_host_class_storage_media_mount() es responsable de montar particiones en un dispositivo de almacenamiento masivo USB. Cuando encuentra una entrada de partici\u00f3n extendida en la tabla de particiones, se llama a s\u00ed misma recursivamente para montar la siguiente partici\u00f3n l\u00f3gica.\n\nEsta recursi\u00f3n ocurre en _ux_host_class_storage_partition_read(), que analiza hasta cuatro entradas de partici\u00f3n. Si se encuentra una partici\u00f3n extendida (con el tipo UX_HOST_CLASS_STORAGE_PARTITION_EXTENDED o EXTENDED_LBA_MAPPED), el c\u00f3digo invoca:\n _ux_host_class_storage_media_mount(storage, sector + _ux_utility_long_get(...));\n\nNo hay l\u00edmite en la profundidad de recursi\u00f3n ni seguimiento de los sectores visitados. Como resultado, una imagen de disco maliciosa o malformada puede incluir cadenas c\u00edclicas o excesivamente profundas de particiones extendidas, lo que hace que la funci\u00f3n recurra hasta que ocurra un desbordamiento de pila."}], "id": "CVE-2025-55095", "lastModified": "2026-11-05T19:27:30.690", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 4.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 0.8, "impactScore": 3.4, "source": "emo@eclipse.org", "type": "Secondary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-55095", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-01-27T15:57:28.543629Z", "version": "2.0.3"}}]}, "published": "2026-01-27T16:16:14.930", "references": [{"source": "emo@eclipse.org", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/eclipse-threadx/usbx/security/advisories/GHSA-qfmp-wch9-rpv2"}], "sourceIdentifier": "emo@eclipse.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-121"}, {"lang": "en", "value": "CWE-674"}], "source": "emo@eclipse.org", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{"created": "2026-01-27T20:16:19.441452+00:00", "updated": "2026-01-27T20:16:19.441478+00:00", "vendors": ["eclipse", "eclipse$PRODUCT$threadx_usbx", "eclipse$PRODUCT$usbx"]}