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CVE-2018-18206

Denial of Service in Bytom

7.5 HighFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

1.45%Up 1.0 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.5

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.

Record
CVE-2018-18206
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-190
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2018-18206
Updated
2026-11-02
EUVDEUVD-2022-1200 No score

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.

Record
EUVD-2022-1200
Updated
2026-11-03
GitHub AdvisoriesGHSA-vc3x-gx6c-g99f 7.5

Denial of Service in Bytom

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.

Record
GHSA-vc3x-gx6c-g99f
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-190
Updated
2026-11-02
OSV 7.5

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.

Record
CVE-2018-18206
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVGHSA-vc3x-gx6c-g99f 7.5

Denial of Service in Bytom

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.

Record
GHSA-vc3x-gx6c-g99f
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-190
Updated
2026-11-02
OSVGO-2021-0079 No score

Panic in github.com/bytom/bytom

A malformed query can cause an out-of-bounds panic due to improper validation of arguments. If processing queries from untrusted parties, this may be used as a vector for denial of service attacks.

Record
GO-2021-0079
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
github.com/bytom/bytom
Go
before 1.0.6
1.0.6
github.com/bytom/bytom
Go
before 1.0.4-0.20180831054840-1ac3c8ac4f2b
1.0.4-0.20180831054840-1ac3c8ac4f2b

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-18206 is a high vulnerability (CVSS 7.5) in Bytom, published October 10, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.45%, the 73rd percentile. Fixed in github.com/bytom/bytom 1.0.6.

References

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