{"id":"RHSA-2021:4153","summary":"Red Hat Security Advisory: dnsmasq security and bug fix update","modified":"2026-03-11T07:20:16.572543Z","published":"2024-09-16T05:32:16Z","upstream":["CVE-2021-3448"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2021:4153"},{"type":"ARTICLE","url":"https://access.redhat.com/security/updates/classification/#moderate"},{"type":"ARTICLE","url":"https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.5_release_notes/"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1921153"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1927973"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1939368"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1947039"},{"type":"ADVISORY","url":"https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_4153.json"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2021-3448"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2021-3448"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3448"}],"affected":[{"package":{"name":"dnsmasq","ecosystem":"Red Hat:enterprise_linux:8::appstream","purl":"pkg:rpm/redhat/dnsmasq"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.79-19.el8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:4153.json"}},{"package":{"name":"dnsmasq-debuginfo","ecosystem":"Red Hat:enterprise_linux:8::appstream","purl":"pkg:rpm/redhat/dnsmasq-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.79-19.el8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:4153.json"}},{"package":{"name":"dnsmasq-debugsource","ecosystem":"Red Hat:enterprise_linux:8::appstream","purl":"pkg:rpm/redhat/dnsmasq-debugsource"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.79-19.el8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:4153.json"}},{"package":{"name":"dnsmasq-utils","ecosystem":"Red Hat:enterprise_linux:8::appstream","purl":"pkg:rpm/redhat/dnsmasq-utils"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.79-19.el8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:4153.json"}},{"package":{"name":"dnsmasq-utils-debuginfo","ecosystem":"Red Hat:enterprise_linux:8::appstream","purl":"pkg:rpm/redhat/dnsmasq-utils-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.79-19.el8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:4153.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N"}]}