CVE-2026-56788

Name of the Vulnerable Software and Affected Versions RTKLIB versions prior to 2.4.4

Description An out-of-bounds read occurs in the getcodepri() function when processing unrecognized RINEX observation codes. This happens when crafted RINEX files containing unknown observation types cause negative array indexing into the codepris table. This flaw can lead to a denial of service through reliable crashes or the potential memory disclosure of adjacent global data.

Recommendations Update to a version newer than 2.4.3.