Dashboard / CVE-2026-56788

CVE-2026-56788

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 35/100
Published: 2026-06-25 Modified: 2026-10-25 First seen: 2026-10-29 Status: active

Attack Surface

Low Complexity No Auth

CVSS Vector Breakdown

AV: Local
AC: Low
PR: None
UI: Passive
S: X
AT: None
VC: Low
VI: None
VA: Low

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.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
rtklib rtklib < 2.4.3

References & Advisories (2)

https://github.com/tomojitakasu/RTKLIB/issues/797
Exploit Issue Tracking Third Party Advisory

Bug Bounty Relevance

35 / 100
✓ No authentication
✓ Low complexity

CVSS Score

4.8 / 10.0 v4.0
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS — Exploitation Probability

0.17%
Raw Score 0.001730
Percentile 6.7%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00173
2026-10-28
0.00173

Intelligence Sources

nvd ref →

External Links