CVE-2026-42485 - "AGL agl-service-can-low-level Stack Buffer Overflow (RCE)"

CVE-2026-42485 - "AGL agl-service-can-low-level Stack Buffer Overflow (RCE)"

https://cvefeed.io/rssfeed/latest.atom / Fri, 05/01/2026 - 20:21
CVE ID :CVE-2026-42485
Published : May 1, 2026, 5:16 p.m. | 59 minutes ago
Description :AGL agl-service-can-low-level contains a stack buffer overflow in the uds-c library. The send_diagnostic_request function in uds.c allocates a 6-byte stack buffer (MAX_DIAGNOSTIC_PAYLOAD_SIZE=6) but copies up to 7 bytes (MAX_UDS_REQUEST_PAYLOAD_LENGTH=7) via memcpy at an offset of 1+pid_length (2-3 bytes), resulting in 1-4 bytes of controlled stack overflow. The payload_length field (uint8_t) has no bounds check against the destination buffer. On 32-bit ARM automotive ECUs without stack canaries, this can lead to return address overwrite and RCE.
Severity: 0.0 | NA
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