{"id":"CVE-2026-37532","state":"PUBLISHED","title":"AGL agl-service-can-low-level thru 17.1.12 contains a heap buffer over-read in the isotp-c library. In isotp_continue_receive (receive.c:87-89), the payload_length for a Single Fra","description":"AGL agl-service-can-low-level thru 17.1.12 contains a heap buffer over-read in the isotp-c library. In isotp_continue_receive (receive.c:87-89), the payload_length for a Single Frame is extracted from a 4-bit nibble in the CAN frame data, yielding values 0-15. However, a standard CAN frame is only 8 bytes, with payload starting at data[1] (7 bytes available). When payload_length exceeds the available data (e.g., nibble=15 but only 7 payload bytes exist), memcpy(message.payload, &data[1], payload_length) reads up to 8 bytes past the end of the data buffer.","publishedAt":"2026-05-01T00:00:00.000Z","updatedAt":"2026-05-01T19:45:17.749Z","severity":{"score":7.1,"label":"High","version":"3.1","vector":"CVSS:3.1/AC:L/AV:A/A:H/C:L/I:N/PR:N/S:U/UI:N","source":"mitre"},"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://gerrit.automotivelinux.org/gerrit/apps/agl-service-can-low-level","https://gist.github.com/sgInnora/8526eedcfd826d05ef1fc45d8f405643"],"weaknesses":["CWE-126"],"ingestedAt":"2026-10-29T20:11:50.837Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/37xxx/CVE-2026-37532.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-37532","state":"PUBLISHED","datePublished":"2026-05-01T00:00:00.000Z","dateUpdated":"2026-05-01T19:45:17.749Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2026-04-06T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"AGL agl-service-can-low-level thru 17.1.12 contains a heap buffer over-read in the isotp-c library. In isotp_continue_receive (receive.c:87-89), the payload_length for a Single Frame is extracted from a 4-bit nibble in the CAN frame data, yielding values 0-15. However, a standard CAN frame is only 8 bytes, with payload starting at data[1] (7 bytes available). When payload_length exceeds the available data (e.g., nibble=15 but only 7 payload bytes exist), memcpy(message.payload, &data[1], payload_length) reads up to 8 bytes past the end of the data buffer."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://gerrit.automotivelinux.org/gerrit/apps/agl-service-can-low-level"},{"url":"https://gist.github.com/sgInnora/8526eedcfd826d05ef1fc45d8f405643"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AC:L/AV:A/A:H/C:L/I:N/PR:N/S:U/UI:N","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":7.1,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"n/a"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2026-05-01T16:29:06.245Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-01T19:33:10.186601Z","id":"CVE-2026-37532","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-126","type":"CWE","lang":"en","description":"CWE-126 Buffer Over-read"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-01T19:45:17.749Z"}}]}}}