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Medium RLSA-2021:4153 1 CVE

Moderate: dnsmasq security and bug fix update

Published Nov 9, 2021 · Updated Feb 5, 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: fixed outgoing port used when --server is used with an interface name (CVE-2021-3448)

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.

Additional Changes:

For detailed information on changes in this release, see the Rocky Linux 8.5 Release Notes linked from the References section.

Fixed packages 1

ReleasePackageFixed in
Rocky Linux · 8 dnsmasq 0:2.79-19.el8

Vulnerabilities 1

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1921153
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1927973
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1939368
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1947039