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dnsmasq: memory leak in the create_helper() function in /src/helper.c

🗓️ 28 Apr 2020 15:36:12Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 6 Views

Dnsmasq memory leak in create_helper triggered by crafted DHCP responses; domain name config required and denial of service possible.

Related
Packages
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
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64dnsmasq0:2.79-11.el8dnsmasq-0:2.79-11.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lednsmasq0:2.79-11.el8dnsmasq-0:2.79-11.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xdnsmasq0:2.79-11.el8dnsmasq-0:2.79-11.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64dnsmasq0:2.79-11.el8dnsmasq-0:2.79-11.el8.x86_64.rpm
Red Hat Enterprise Linux8aarch64dnsmasq-debuginfo0:2.79-11.el8dnsmasq-debuginfo-0:2.79-11.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lednsmasq-debuginfo0:2.79-11.el8dnsmasq-debuginfo-0:2.79-11.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xdnsmasq-debuginfo0:2.79-11.el8dnsmasq-debuginfo-0:2.79-11.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64dnsmasq-debuginfo0:2.79-11.el8dnsmasq-debuginfo-0:2.79-11.el8.x86_64.rpm
Red Hat Enterprise Linux8aarch64dnsmasq-debugsource0:2.79-11.el8dnsmasq-debugsource-0:2.79-11.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lednsmasq-debugsource0:2.79-11.el8dnsmasq-debugsource-0:2.79-11.el8.ppc64le.rpm
Rows per page

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21 Nov 2025 18:13Current
7.3High risk
Vulners AI Score7.3
CVSS 3.13.7
CVSS 24.3
CVSS 33.7
EPSS0.02664
CWE-770
dnsmasqmemory leakcreate helpercrafted responsesdomain name configdenial of service
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