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CVE-2026-56788

4.8 medium SSVC exploitation: poc Modified
NVD · CVE.org

RTKLIB through 2.4.3 contains an out-of-bounds read vulnerability in getcodepri function when processing unrecognized RINEX observation codes, allowing attackers to trigger denial of service. Crafted RINEX files with unknown observation types cause negative array indexing into the codepris table, resulting in reliable crashes and potential memory disclosure of adjacent global data.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 1

  1. First seenCVSS 4.8 · rtklibNVD modified 2026-10-25 22:10

Affected (CPE criteria) 1

  • cpe:2.3:a:rtklib:rtklib:*:*:*:*:*:*:*:*

References 3