CVE-2018-25282 MEDIUM

CVE-2018-25282: Nmap 7.70 Denial of Service via XML Entity Expansion

Vendor Zenmap
Product ZenMap
Weakness CWE-674
Published April 26, 2026
Last update April 27, 2026

CVSS base score

6.9/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Nmap 7.70 contains a denial of service vulnerability that allows local attackers to crash the application by processing malicious XML files with exponential entity expansion. Attackers can create a crafted XML file with nested entity definitions and open it through ZenMap's scan import functionality to cause the program to consume excessive system resources and crash.

Key dates

02Disclosure timeline

April 26, 2026 CVE published
April 27, 2026 Record updated