Denial of Service in Bytom

published 2018-10-10 8y ago modified 2026-06-17 4mo ago also GHSA-vc3x-gx6c-g99f , GO-2021-0079 , EUVD-2022-1200

cvss: 7.5; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.4%; EPSS 1.4% chance of exploitation in 30 days, percentile 73%
public exploits: 0; none known

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.

Patch / fix

fixed in 2 links 2

go github.com/bytom/bytom 1.0.4-0.20180831054840-1ac3c8ac4f2b, 1.0.6
bytom bytom 1.0.6

github.com/Bytom/bytom@1ac3c8a commit
github.com/Bytom/bytom#1307 pull request

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Exploit prediction

1.45% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.0	7.5	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:N/A:P
GitHub	3.0	7.5	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem	package	affected	fixed in
go	github.com/bytom/bytom	<1.0.6 <1.0.4-0.20180831054840-1ac3c8ac4f2b	1.0.6 1.0.4-0.20180831054840-1ac3c8ac4f2b

Classification

Weakness

CWE-190 Integer Overflow or Wraparound

References

github.com /Bytom/bytom/commit/1ac3c8ac4f2b1e1df9675228290bda6b9586ba42
web, patch, vendor-advisory
github.com /Bytom/bytom/pull/1307
web, patch
nvd.nist.gov /vuln/detail/CVE-2018-18206
advisory
github.com /Bytom/bytom
package
pkg.go.dev /vuln/GO-2021-0079
web

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.