cvedb.io
CVE-2026-56787
MEDIUM · CVSS 6.5
EPSS exploitation probability: 0%
Published 2026-06-25T19:16:45.177 · Last modified 2026-06-26T16:53:13.420

Summary

RTKLIB through 2.4.3 contains an off-by-one out-of-bounds read vulnerability in the decode_ssr3 function at src/rtcm3.c:1446 that allows remote attackers to trigger a global buffer overflow via crafted RTCM3 SSR messages with attacker-controlled signal mode fields. Remote attackers can exploit this vulnerability by sending malicious SSR correction streams over NTRIP or serial connections to cause denial of service or crash RTKLIB rovers and CORS servers.

Affected products

rtklib — rtklib

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.