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OpenAdvisories
High ALSA-2024:1335 2 CVEs

Important: dnsmasq security update

Published Mar 14, 2024 · Updated Oct 29, 2026

Summary

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.

Fixed packages 2

ReleasePackageFixed in
AlmaLinux · 8 dnsmasq 2.79-31.el8_9.2
AlmaLinux · 8 dnsmasq-utils 2.79-31.el8_9.2

Vulnerabilities 2

References

  • report
    https://access.redhat.com/security/cve/CVE-2023-50387
  • report
    https://access.redhat.com/security/cve/CVE-2023-50868
  • report
    https://bugzilla.redhat.com/2263914
  • report
    https://bugzilla.redhat.com/2263917
  • advisory
    https://errata.almalinux.org/8/ALSA-2024-1335.html