What is CVE-2018-25243?

CVE-2018-25243 is a medium-severity vulnerability in Fasttube, classified under Release of Invalid Pointer or Reference. CVSS score: 6.2/10. Published 2026-04-04.

How severe is CVE-2018-25243?

Medium severity. CVSS v3 base score is 6.2 out of 10.

Vulnerability in Fasttube

CVE-2018-25243

FastTube 1.0.1.0 contains a denial of service vulnerability that allows local attackers to crash the application by submitting an excessively long string to the search functionality. Attackers can paste a buffer of 1900 characters into the…

EPSS: 0.000 (4.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Fasttube — versions 1.0.1.0

Weakness classification (CWE)

CWE-763 — Release of Invalid Pointer or Reference

References

ExploitDB-46199 (exploit)
Product Reference (product)
VulnCheck Advisory: FastTube 1.0.1.0 Denial of Service via Search (third-party-advisory)

Frequently asked questions

What is CVE-2018-25243?: CVE-2018-25243 is a medium-severity vulnerability in Fasttube, classified under Release of Invalid Pointer or Reference. CVSS score: 6.2/10. Published 2026-04-04.
How severe is CVE-2018-25243?: Medium severity. CVSS v3 base score is 6.2 out of 10.