Bug 2461936 (CVE-2018-25282)

Summary: CVE-2018-25282 nmap: zenmap: Nmap/ZenMap: Denial of Service via XML entity expansion
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: kshier, rhel-process-autobot, stcannon, teagle, watson-tool-maintainers, yguenane
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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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.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Description OSIDB Bzimport 2026-04-26 14:02:34 UTC
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.