{"id":"SUSE-SU-2026:22496-1","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":"2026-07-07T18:24:30.344722392Z","published":"2026-06-29T07:42:51Z","related":["CVE-2026-12725","CVE-2026-2291","CVE-2026-6507"],"upstream":["CVE-2026-12725","CVE-2026-2291","CVE-2026-6507"],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2026/suse-su-202622496-1/"},{"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":"SUSE:Linux Enterprise Server 16.0","purl":"pkg:rpm/suse/dnsmasq&distro=SUSE%20Linux%20Enterprise%20Server%2016.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.93-160000.1.1"}]}],"ecosystem_specific":{"binaries":[{"dnsmasq-utils":"2.93-160000.1.1","dnsmasq":"2.93-160000.1.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:22496-1.json"}},{"package":{"name":"dnsmasq","ecosystem":"SUSE:Linux Enterprise Server for SAP applications 16.0","purl":"pkg:rpm/suse/dnsmasq&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.93-160000.1.1"}]}],"ecosystem_specific":{"binaries":[{"dnsmasq-utils":"2.93-160000.1.1","dnsmasq":"2.93-160000.1.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:22496-1.json"}}],"schema_version":"1.7.5"}