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dnsmasq: default maximum EDNS.0 UDP packet size was set to 4096 but should be 1232

🗓️ 14 Nov 2023 15:53:12Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 6 Views

Flaw in dnsmasq sets EDNS.0 UDP packet size to 4096; should be 1232 per Domain Name System Flag Day 2020.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64dnsmasq2.79-31.el8dnsmasq-2.79-31.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lednsmasq2.79-31.el8dnsmasq-2.79-31.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xdnsmasq2.79-31.el8dnsmasq-2.79-31.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64dnsmasq2.79-31.el8dnsmasq-2.79-31.el8.x86_64.rpm
Red Hat Enterprise Linux8aarch64dnsmasq-debuginfo2.79-31.el8dnsmasq-debuginfo-2.79-31.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lednsmasq-debuginfo2.79-31.el8dnsmasq-debuginfo-2.79-31.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xdnsmasq-debuginfo2.79-31.el8dnsmasq-debuginfo-2.79-31.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64dnsmasq-debuginfo2.79-31.el8dnsmasq-debuginfo-2.79-31.el8.x86_64.rpm
Red Hat Enterprise Linux8aarch64dnsmasq-debugsource2.79-31.el8dnsmasq-debugsource-2.79-31.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lednsmasq-debugsource2.79-31.el8dnsmasq-debugsource-2.79-31.el8.ppc64le.rpm
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30 Apr 2026 12:56Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.5
EPSS0.01345
SSVC
6