CVE-2026-37532
CVSS Score
7.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | n/a |
| Product | n/a |
| Published | May 1, 2026 |
| Last Updated | May 1, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AC:L/AV:A/A:H/C:L/I:N/PR:N/S:U/UI:N Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
High
Affected Versions
n/a / n/a
n/a