Lucene search
K
Catalog
Vendors
Products
Timeline
Vulnerabilities
Sources
Documentation
Blog
Glossary
FAQ
Brand assets
Assessment
Agents dashboard
Agent Scanning
API Scanning
Assessment API
Alerts
Email notifications
Webhook notifications
Alerts API
SBOM package analysis
API Reference
Support
Settings
Sign in

The vulnerability of the create_helper() function in the /src/helper.c component of the DNS server Dnsmasq, which allows a hacker to cause a service failure.

🗓️ 13 Oct 2022 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec🔗 bdu.fstec.ru👁 6 Views

Dnsmasq create_helper vulnerability enables unlimited memory allocation and remote crash via DHCP.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: IBM Security Privileged Identity Manager is affected by security vulnerabilities (CVE-2019-12450)
4 Aug 202117:56
–ibm
IBM Security Bulletins		Security Bulletin: Multiple Security Vulnerabilties have been fixed in the IBM Security Access Manager and IBM Security Verify Access appliances.
16 Mar 202119:55
–ibm
Tenable Nessus		Amazon Linux 2 : dnsmasq (ALAS-2020-1507)
27 Oct 202000:00
–nessus
Tenable Nessus		Amazon Linux AMI : dnsmasq (ALAS-2020-1458)
22 Mar 202300:00
–nessus
Tenable Nessus		CentOS 8 : dnsmasq (CESA-2020:1715)
1 Feb 202100:00
–nessus
Tenable Nessus		CentOS 7 : dnsmasq (RHSA-2020:3878)
30 Nov 202000:00
–nessus
Tenable Nessus		dnsmasq < 2.81 Denial of Service (DoS) Vulnerability
8 May 202000:00
–nessus
Tenable Nessus		EulerOS 2.0 SP5 : dnsmasq (EulerOS-SA-2020-1097)
24 Feb 202000:00
–nessus
Tenable Nessus		EulerOS 2.0 SP3 : dnsmasq (EulerOS-SA-2020-1378)
15 Apr 202000:00
–nessus
Tenable Nessus		EulerOS Virtualization for ARM 64 3.0.2.0 : dnsmasq (EulerOS-SA-2020-1530)
1 May 202000:00
–nessus
Rows per page
Vulners
Node
simon_kelleydnsmasqRange<2.81

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

Book a live demo
20 Jan 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 33.7
CVSS 24.3
EPSS0.02664
dnsmasqcreate helpermemory allocationremote crashdynamic host configuration
6