{"@context":"https://openvex.dev/ns/v0.2.0","@id":"https://database.harborguard.co/cve/CVE-2026-56786/vex.json","author":"HarborGuard Database","role":"Document Creator","timestamp":"2026-06-25T18:41:37.413Z","version":1,"tooling":"HarborGuard Database (https://database.harborguard.co)","statements":[{"vulnerability":{"name":"CVE-2026-56786","@id":"https://www.cve.org/CVERecord?id=CVE-2026-56786","description":"RTKLIB through 2.4.3 contains an out-of-bounds write vulnerability in decode_type1033 function that fails to clamp length counters to destination buffer size, allowing up to 191-byte overflow into fixed 64-byte descriptor fields. An attacker controlling an NTRIP or serial RTCM3 correction stream can craft a valid CRC-bearing type-1033 message to corrupt adjacent rtcm_t object members, potentially achieving arbitrary code execution or denial of service."},"products":[{"@id":"cpe:2.3:a:tomojitakasu:rtklib:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:tomojitakasu:rtklib:*:*:*:*:*:*:*:*"}}],"status":"affected","action_statement":"No fixed version is published yet; monitor the upstream advisory.","timestamp":"2026-06-25T18:41:37.413Z"}]}