{"id":"openSUSE-SU-2026:21886-1","summary":"Security update for mcphost","details":"This update for mcphost fixes the following issues:\n\n- CVE-2026-84303: google.golang.org/grpc: xDS RBAC HTTP filter implementation issue allows for bypass of authorization\n  policies via mixed-case or canonical-case header matches (bsc#1279274).\n- CVE-2026-84304: google.golang.org/grpc: heap memory exhaustion via HTTP/2 DATA frame fragmentation (bsc#1279396).\n- CVE-2026-84445: google.golang.org/grpc: DoS via crash due to missing ':authority' and 'Host' headers in gRPC-Go xDS\n  servers (bsc#1278853).\n","modified":"2026-09-25T18:23:47.968249335Z","published":"2026-09-20T04:09:14Z","related":["CVE-2026-84303","CVE-2026-84304","CVE-2026-84445"],"upstream":["CVE-2026-84303","CVE-2026-84304","CVE-2026-84445"],"references":[{"type":"ADVISORY"},{"type":"REPORT","url":"https://bugzilla.suse.com/1278853"},{"type":"REPORT","url":"https://bugzilla.suse.com/1279274"},{"type":"REPORT","url":"https://bugzilla.suse.com/1279396"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-84303"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-84304"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-84445"}],"affected":[{"package":{"name":"mcphost","ecosystem":"openSUSE:Leap 16.0","purl":"pkg:rpm/opensuse/mcphost&distro=openSUSE%20Leap%2016.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.34.0-160000.5.1"}]}],"ecosystem_specific":{"binaries":[{"mcphost-fish-completion":"0.34.0-160000.5.1","mcphost-zsh-completion":"0.34.0-160000.5.1","mcphost":"0.34.0-160000.5.1","mcphost-bash-completion":"0.34.0-160000.5.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2026:21886-1.json"}}],"schema_version":"1.9.0"}