{"id":"CVE-2023-4264","state":"PUBLISHED","title":"Potential buffer overflow vulnerabilities in the Zephyr Bluetooth subsystem","description":"Potential buffer overflow vulnerabilities n the Zephyr Bluetooth subsystem.","publishedAt":"2023-09-26T18:34:52.817Z","updatedAt":"2025-06-18T14:13:45.830Z","severity":{"score":7.1,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L","source":"zephyr"},"assigner":"zephyr","products":["zephyrproject-rtos Zephyr"],"affected":[{"vendor":"zephyrproject-rtos","product":"Zephyr","packageName":"Zephyr","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"3.4","versionType":"git"}],"repo":"https://github.com/zephyrproject-rtos/zephyr"}],"references":["https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-rgx6-3w4j-gf5j","http://www.openwall.com/lists/oss-security/2023/11/07/1","http://seclists.org/fulldisclosure/2023/Nov/1","http://packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html"],"weaknesses":["CWE-120","CWE-121","CWE-122"],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/4xxx/CVE-2023-4264.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-4264","state":"PUBLISHED","datePublished":"2023-09-26T18:34:52.817Z","dateUpdated":"2025-06-18T14:13:45.830Z","assignerShortName":"zephyr","assignerOrgId":"e2e69745-5e70-4e92-8431-deb5529a81ad","dateReserved":"2023-08-08T21:12:31.078Z"},"containers":{"cna":{"title":"Potential buffer overflow vulnerabilities in the Zephyr Bluetooth subsystem","descriptions":[{"lang":"en","value":"Potential buffer overflow vulnerabilities n the Zephyr Bluetooth subsystem."}],"affected":[{"vendor":"zephyrproject-rtos","product":"Zephyr","packageName":"Zephyr","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"3.4","versionType":"git"}],"repo":"https://github.com/zephyrproject-rtos/zephyr"}],"references":[{"url":"https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-rgx6-3w4j-gf5j"},{"url":"http://www.openwall.com/lists/oss-security/2023/11/07/1"},{"url":"http://seclists.org/fulldisclosure/2023/Nov/1"},{"url":"http://packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"LOW","baseScore":7.1,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-120","description":"CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-121","description":"CWE-121 Stack-based Buffer Overflow A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-122","description":"CWE-122 Heap-based Buffer Overflow A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"zephyr","orgId":"e2e69745-5e70-4e92-8431-deb5529a81ad","dateUpdated":"2023-11-14T03:06:20.031Z"},"impacts":[{"capecId":"CAPEC-153","descriptions":[{"lang":"en","value":"CAPEC-153 Input Data Manipulation"}]}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-rgx6-3w4j-gf5j","tags":["x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2023/11/07/1","tags":["x_transferred"]},{"url":"http://seclists.org/fulldisclosure/2023/Nov/1","tags":["x_transferred"]},{"url":"http://packetstormsecurity.com/files/175657/Zephyr-RTOS-3.x.0-Buffer-Overflows.html","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T07:24:03.980Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-06-18T14:13:20.137564Z","id":"CVE-2023-4264","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-06-18T14:13:45.830Z"}}]}}}