CVE-2018-14063: The increaseApproval function of a smart contract implementation for Tracto (TRCT), an Ethereum ERC20 token, h

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CRITICAL 9.8REMOTEMITIGATE

CVE-2018-14063 is a critical-severity flaw (CVSS 9.8) affecting tracto. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The increaseApproval function of a smart contract implementation for Tracto (TRCT), an Ethereum ERC20 token, has an integer overflow.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.2% (top 32%)
CISA exploited list	No
Weakness	CWE-190
Published	2018-07-15
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: tracto

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2018-07-15 15:29 UTCPublished CVE record published
2026-06-17 01:40 UTCUpdated Record last modified

tracto tracto MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy tracto || rpm -q tracto || tracto --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2018-14063?

tracto: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-14063 being exploited?

CVE-2018-14063 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2018-14063 affect?

CVE-2018-14063 affects tracto. Severity is critical (CVSS 9.8). The increaseApproval function of a smart contract implementation for Tracto (TRCT), an Ethereum ERC20 token, has an integer overflow.

How urgent is CVE-2018-14063?

Priority 56/100. Critical severity; Remotely exploitable, no login, no user action

References

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