Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Rtklib | Rtklib | <= 2.4.3 |
Related Weaknesses (CWE)
References
- https://github.com/tomojitakasu/RTKLIB/issues/797ExploitIssue TrackingThird Party Advisory
- https://www.vulncheck.com/advisories/rtklib-out-of-bounds-read-via-negative-arraThird Party Advisory
- https://github.com/tomojitakasu/RTKLIB/issues/797ExploitIssue TrackingThird Party Advisory
FAQ
What is CVE-2026-56788?
CVE-2026-56788 is a vulnerability with a CVSS score of 4.4 (MEDIUM). 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 ...
How severe is CVE-2026-56788?
CVE-2026-56788 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-56788?
Check the references section above for vendor advisories and patch information. Affected products include: Rtklib Rtklib.