How severe is CVE-2018-18749?

CVE-2018-18749 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-18749 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-18749?

CVE-2018-18749 affects Data Tools Project Data Tools. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-18749?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-18749 published?

CVE-2018-18749 was published on 2018-10-29 and last updated on 2026-06-17.

CVE-2018-18749

CVE-2018-18749 is a medium-severity vulnerability in Data Tools Project Data Tools with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-190.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-190
Affected product: Data Tools Project Data Tools
Published: 2018-10-29
Last modified: 2026-06-17

Description

data-tools through 2017-07-26 has an Integer Overflow leading to an incorrect end value for the write_wchars function.

Frequently asked questions

What is CVE-2018-18749?: data-tools through 2017-07-26 has an Integer Overflow leading to an incorrect end value for the write_wchars function.
How severe is CVE-2018-18749?: CVE-2018-18749 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-18749 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-18749?: CVE-2018-18749 affects Data Tools Project Data Tools. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-18749?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-18749 published?: CVE-2018-18749 was published on 2018-10-29 and last updated on 2026-06-17.

References

https://github.com/clarkgrubb/data-tools/issues/7

Affected products (1)

cpe:2.3:a:data_tools_project:data_tools:*:*:*:*:*:*:*:*

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