CVE-2018-25282

nmap: zenmap: Nmap/ZenMap: Denial of Service via XML entity expansion

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · April 26, 2026

Updated · September 1, 2026

Description

A flaw was found in Nmap and ZenMap. A local attacker could exploit this vulnerability by crafting a malicious XML file with nested entity definitions. When this file is opened through ZenMap's scan import functionality, it causes the program to consume excessive system resources, leading to a denial of service (DoS) by crashing the application.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE-776 · Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')