{"id":"openSUSE-SU-2026:21192-1","summary":"Security update for dnsmasq","details":"This update for dnsmasq fixes the following issues\n\nUpdate to 2.93:\n\n- CVE-2026-12725: heap buffer overflow in `log_query()` when logging unsupported DS/DNSKEY replies (bsc#1268764).\n\nChanges for dnsmasq:\n\n * CVE-2026-12725, bsc#1268764: Heap buffer overflow in\n `log_query()` when logging unsupported DS/DNSKEY replies.\n * Fix a corner-case in DNSSEC validation with wildcards.\n * Fix DNSSEC failure with spurious RRSIGs.\n * Fix DNSSEC fail with CNAME replies to DS queries.\n * Fix regression in 2.92 release which broke DHCPv6 when a DHCP\n relay is in use.\n * Modify the inotify implementation so that inotify watches are\n only created after dnsmasq has changed permissions and userid.\n * CVE-2026-2291: Rework storage allocation for domain names.\n","modified":"2026-07-03T18:24:18.737543026Z","published":"2026-06-29T07:41:58Z","related":["CVE-2026-12725","CVE-2026-2291","CVE-2026-6507"],"upstream":["CVE-2026-12725","CVE-2026-2291","CVE-2026-6507"],"references":[{"type":"ADVISORY"},{"type":"REPORT","url":"https://bugzilla.suse.com/1268764"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-12725"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-2291"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-6507"}],"affected":[{"package":{"name":"dnsmasq","ecosystem":"openSUSE:Leap 16.0","purl":"pkg:rpm/opensuse/dnsmasq&distro=openSUSE%20Leap%2016.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.93-160000.1.1"}]}],"ecosystem_specific":{"binaries":[{"dnsmasq":"2.93-160000.1.1","dnsmasq-utils":"2.93-160000.1.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2026:21192-1.json"}}],"schema_version":"1.7.5"}