CVE-2018-18206
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.
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
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 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV: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 High
CVSS: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 High
CVSS: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 High
CVSS: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
| Package | Affected | Fixed |
|---|---|---|
github.com/bytom/bytomGo |
before 1.0.6 | 1.0.6 |
github.com/bytom/bytomGo |
before 1.0.4-0.20180831054840-1ac3c8ac4f2b | 1.0.4-0.20180831054840-1ac3c8ac4f2b |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE 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.