What is CVE-2018-18206?

CVE-2018-18206 is a high-severity vulnerability in Bytom, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2018-10-10.

How severe is CVE-2018-18206?

High severity. CVSS v3 base score is 7.5 out of 10.

Integer overflow in Bytom

CVE-2018-18206

In the client in Bytom before 1.0.6, checkTopicRegister in p2p/discover/net.go does not prevent negative idx values, leading to a crash.

Vulnerability class: Integer Overflow

Published 2018-10-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.014 (72.3th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Bytom

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

github.com/Bytom/bytom/commit/1ac3c8ac4f2b1e1df9675228290bda6b9586ba42 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2018-18206?: CVE-2018-18206 is a high-severity vulnerability in Bytom, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2018-10-10.
How severe is CVE-2018-18206?: High severity. CVSS v3 base score is 7.5 out of 10.