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HIGH severity

CVE-2018-16733 — go-ethereum

HIGHFix: ethereum/go-ethereum@106d196

CVE-2018-16733 is a high-severity (CVSS 7.5) Improper Input Validation vulnerability in github.com/ethereum/go-ethereum. A fix is available for github.com/ethereum/go-ethereum — see the affected versions and patch details below.

Go Ethereum Improper Input Validation

Also known asGHSA-qr2j-wrhx-4829GO-2022-0871
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Oct 10, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.2%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs68th percentile — riskier than 68% of all scored CVEsHighest risk
0.00%0.58%1.17%1.75%0.2%1.2%Apr 26Aug 26Oct 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

CVE-2018-16733 by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 385,987 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.

Real-World Exposure

1 pkg affected
🐹github.com/ethereum/go-ethereum

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Go packages — download data is not available via public APIs for these ecosystems.

Description

In Go Ethereum (aka geth) before 1.8.14, TraceChain in eth/api_tracer.go does not verify that the end block is after the start block.

Specific Go Packages Affected

github.com/ethereum/go-ethereum/eth

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐹Gogithub.com/ethereum/go-ethereumall versions1.8.14go get github.com/ethereum/go-ethereum@v1.8.14

Affected Products

1 product · 1 configurations
Application
go ethereumethereum
< 1.8.14
range

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for github.com/ethereum/go-ethereum, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update github.com/ethereum/go-ethereum to 1.8.14 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2018-16733 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

In Go Ethereum (aka geth) before 1.8.14, TraceChain in eth/api_tracer.go does not verify that the end block is after the start block. ### Specific Go Packages Affected github.com/ethereum/go-ethereum/eth
O3 Security · Impact-Aware SCA

Is CVE-2018-16733 in your dependencies?

Find it across Go, including transitive dependencies.

CVE-2018-16733: go-ethereum — Fixed in 1.8.14