{"api_version":"1","generated_at":"2026-04-23T13:25:39+00:00","cve":"CVE-2023-4260","urls":{"html":"https://cve.report/CVE-2023-4260","api":"https://cve.report/api/cve/CVE-2023-4260.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-4260","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-4260"},"summary":{"title":"CVE-2023-4260","description":"Potential off-by-one buffer overflow vulnerability in the Zephyr fuse file system.","state":"PUBLIC","assigner":"vulnerabilities@zephyrproject.org","published_at":"2023-09-27 15:19:00","updated_at":"2023-11-14 03:15:00"},"problem_types":["CWE-120"],"metrics":[],"references":[{"url":"http://seclists.org/fulldisclosure/2023/Nov/1","name":"http://seclists.org/fulldisclosure/2023/Nov/1","refsource":"","tags":[],"title":"Full Disclosure: HNS-2023-03 - HN Security Advisory - Multiple vulnerabilities in Zephyr RTOS","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-gj27-862r-55wh","name":"https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-gj27-862r-55wh","refsource":"MISC","tags":[],"title":"Off-by-one buffer overflow vulnerability in the Zephyr FS subsystem · Advisory · zephyrproject-rtos/zephyr · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"http://packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html","name":"http://packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html","refsource":"","tags":[],"title":"","mime":"","httpstatus":"-1","archivestatus":"404"},{"url":"http://www.openwall.com/lists/oss-security/2023/11/07/1","name":"http://www.openwall.com/lists/oss-security/2023/11/07/1","refsource":"","tags":[],"title":"oss-security - HNS-2023-03 - HN Security Advisory - Multiple vulnerabilities in\n Zephyr RTOS","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-4260","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-4260","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2023","cve_id":"4260","vulnerable":"1","versionEndIncluding":"3.4.0","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"zephyrproject","cpe5":"zephyr","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"data_version":"4.0","data_type":"CVE","data_format":"MITRE","CVE_data_meta":{"ID":"CVE-2023-4260","ASSIGNER":"vulnerabilities@zephyrproject.org","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":"Potential off-by-one buffer overflow vulnerability in the Zephyr fuse file system.\n\n\n"}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')","cweId":"CWE-120"}]},{"description":[{"lang":"eng","value":"CWE-193 Off-by-one Error","cweId":"CWE-193"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"zephyrproject-rtos","product":{"product_data":[{"product_name":"Zephyr","version":{"version_data":[{"version_affected":"<=","version_name":"0","version_value":"3.4"}]}}]}}]}},"references":{"reference_data":[{"url":"https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-gj27-862r-55wh","refsource":"MISC","name":"https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-gj27-862r-55wh"},{"url":"http://www.openwall.com/lists/oss-security/2023/11/07/1","refsource":"MISC","name":"http://www.openwall.com/lists/oss-security/2023/11/07/1"}]},"generator":{"engine":"Vulnogram 0.1.0-dev"},"source":{"discovery":"UNKNOWN"},"impact":{"cvss":[{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"LOW","baseScore":6.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L","version":"3.1"}]}},"nvd":{"publishedDate":"2023-09-27 15:19:00","lastModifiedDate":"2023-11-14 03:15:00","problem_types":["CWE-120"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":10,"baseSeverity":"CRITICAL"},"exploitabilityScore":3.9,"impactScore":6}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*","versionEndIncluding":"3.4.0","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}