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Security Mirrored from RHSA-2024:1335
Issued at: 2024-03-27
Updated at: 2024-03-27


Important: dnsmasq security update


The dnsmasq packages contain Dnsmasq, a lightweight DNS (Domain Name Server) forwarder and DHCP (Dynamic Host Configuration Protocol) server.

Security Fix(es):

* dnsmasq: bind9: KeyTrap - Extreme CPU consumption in DNSSEC validator (CVE-2023-50387)

* dnsmasq: bind9: Preparing an NSEC3 closest encloser proof can exhaust CPU resources (CVE-2023-50868)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Affected products

Rocky Linux 8 aarch64 Rocky Linux 8 x86_64


2263914 2263917


CVE-2023-50387 CVE-2023-50868

Affected packages

Rocky Linux 8 aarch64 - AppStream

dnsmasq-0:2.79-31.el8_9.2.aarch64.rpm dnsmasq-0:2.79-31.el8_9.2.src.rpm dnsmasq-debuginfo-0:2.79-31.el8_9.2.aarch64.rpm dnsmasq-debugsource-0:2.79-31.el8_9.2.aarch64.rpm dnsmasq-utils-0:2.79-31.el8_9.2.aarch64.rpm dnsmasq-utils-debuginfo-0:2.79-31.el8_9.2.aarch64.rpm

Rocky Linux 8 x86_64 - AppStream

dnsmasq-0:2.79-31.el8_9.2.src.rpm dnsmasq-0:2.79-31.el8_9.2.x86_64.rpm dnsmasq-debuginfo-0:2.79-31.el8_9.2.x86_64.rpm dnsmasq-debugsource-0:2.79-31.el8_9.2.x86_64.rpm dnsmasq-utils-0:2.79-31.el8_9.2.x86_64.rpm dnsmasq-utils-debuginfo-0:2.79-31.el8_9.2.x86_64.rpm