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High, CVSS 7.5amended

Denial of Service in ethereumjs-vm

CVE-2018-19183GHSA-2mw7-wggm-m6w3

What to do

Vendor response not established. Follow the primary source's mitigation guidance and check back for a fix.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

  • npm ethereumjs-vm

    Affected
    <= 2.4.0
    Fixed in
    no fixed version recorded

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
  • CVE-2018-19183: 3.10% estimated exploitation activity in the next 30 days; percentile 87.77 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

ethereumjs-vm 2.4.0 allows attackers to cause a denial of service (vm.runCode failure and REVERT) via a "code: Buffer.from(mycode, 'hex')" attribute.

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 2 · amended ·

    Amended from ghsa record GHSA-2mw7-wggm-m6w3

  2. Revision 1 · created ·

    Published from osv record GHSA-2mw7-wggm-m6w3

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: CVE-2018-19183

Advisory: Denial of Service in ethereumjs-vm
IDs: CVE-2018-19183, GHSA-2mw7-wggm-m6w3
Record: https://patchnext.com/advisories/cve-2018-19183 (revision 2, source checked 26 Oct 2026, 12:08 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: High (CVSS 7.5)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor response not established. A vendor fix does not mean a deployment is fixed.

## Affected components
- npm ethereumjs-vm: affected <= 2.4.0

## Suggested inspection (read-only)
- `npm ls ethereumjs-vm --all`: lists every installed copy and version, including transitive ones. Run in the project root after `npm ci`.

## Supported action
No complete vendor fix is recorded. Follow the primary source's mitigation guidance and check this record again before closing anything.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on ethereumjs-vm.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://osv.dev/vulnerability/GHSA-2mw7-wggm-m6w3 (OSV record GHSA-2mw7-wggm-m6w3 lists affected ranges: npm ethereumjs-vm >=0 <=2.4.0)
- Verified: https://github.com/advisories/GHSA-2mw7-wggm-m6w3 (GitHub-reviewed advisory GHSA-2mw7-wggm-m6w3 lists affected ranges: npm ethereumjs-vm >=0 <=2.4.0)

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