What’s Vulnerable › Vulnerabilities

CVE-2018-18206

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-10-10 · updated 2026-06-17
• Weakness: CWE-190

Description

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.

Affected products

• Bytom: before 1.0.6 — fixed in 1.0.6

How to fix

Upgrade to a fixed version: Bytom 1.0.6. Check the vendor advisory for mitigations.

References

• https://github.com/Bytom/bytom/commit/1ac3c8ac4f2b1e1df9675228290bda6b9586ba42
• https://github.com/Bytom/bytom/commit/1ac3c8ac4f2b1e1df9675228290bda6b9586ba42

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