Off-by-one Error Affecting rtklib package, versions [0,]


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.56% (45th percentile)

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  • Snyk IDSNYK-CONAN-RTKLIB-19272175
  • published27 Aug 2026
  • disclosed25 Jun 2026
  • creditUnknown

Introduced: 25 Jun 2026

CVE-2026-56787  (opens in a new tab)
CWE-193  (opens in a new tab)

How to fix?

There is no fixed version for rtklib.

Overview

Affected versions of this package are vulnerable to Off-by-one Error in the decode_ssr3 function when processing crafted RTCM3 SSR messages containing attacker-controlled signal mode fields. An attacker can cause a buffer overflow and potentially crash the application or disrupt service by sending malicious SSR correction streams over NTRIP or serial connections.

CVSS Base Scores

version 4.0
version 3.1