{"id":"CVE-2026-0849","state":"PUBLISHED","title":"crypto: ATAES132A response length allows stack buffer overflow","description":"Malformed ATAES132A responses with an oversized length field overflow a 52-byte stack buffer in the Zephyr crypto driver, allowing a compromised device or bus attacker to corrupt kernel memory and potentially hijack execution.","publishedAt":"2026-03-14T21:05:36.954Z","updatedAt":"2026-10-15T22:09:57.963Z","severity":{"score":3.8,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/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":"*","status":"affected","lessThan":"4.4.0","versionType":"git"}],"repo":"https://github.com/zephyrproject-rtos/zephyr"}],"references":["https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-ff4p-3ggg-prp6"],"weaknesses":["CWE-120"],"ingestedAt":"2026-10-29T20:10:13.529Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/0xxx/CVE-2026-0849.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-0849","state":"PUBLISHED","datePublished":"2026-03-14T21:05:36.954Z","dateUpdated":"2026-10-15T22:09:57.963Z","assignerShortName":"zephyr","assignerOrgId":"e2e69745-5e70-4e92-8431-deb5529a81ad","dateReserved":"2026-01-11T06:32:24.529Z"},"containers":{"cna":{"title":"crypto: ATAES132A response length allows stack buffer overflow","descriptions":[{"lang":"en","value":"Malformed ATAES132A responses with an oversized length field overflow a 52-byte stack buffer in the Zephyr crypto driver, allowing a compromised device or bus attacker to corrupt kernel memory and potentially hijack execution."}],"affected":[{"vendor":"zephyrproject-rtos","product":"Zephyr","packageName":"Zephyr","defaultStatus":"unaffected","versions":[{"version":"*","status":"affected","lessThan":"4.4.0","versionType":"git"}],"repo":"https://github.com/zephyrproject-rtos/zephyr"}],"references":[{"url":"https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-ff4p-3ggg-prp6"}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"PHYSICAL","availabilityImpact":"LOW","baseScore":3.8,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-120","description":"Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"zephyr","orgId":"e2e69745-5e70-4e92-8431-deb5529a81ad","dateUpdated":"2026-10-15T22:09:57.963Z"},"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-ff4p-3ggg-prp6","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-17T15:04:55.949281Z","id":"CVE-2026-0849","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-17T15:05:37.922Z"}}]}}}