{"id":"openSUSE-SU-2026:21879-1","summary":"Security update for google-guest-agent","details":"This update for google-guest-agent fixes the following issues:\n\n- CVE-2026-56852: golang.org/x/text/unicode/norm: infinite loop on truncated/invalid UTF-8 input (bsc#1272118).\n- CVE-2026-56854,CVE-2026-56855,CVE-2026-78662: golang.org/x/crypto/ssh: authentication bypass and deadlocks in the\n  crypto/ssh library (bsc#1278597).\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#1279297).\n- CVE-2026-84304: google.golang.org/grpc: heap memory exhaustion via HTTP/2 DATA frame fragmentation (bsc#1279414).\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#1278967).\n\nChanges for google-guest-agent:\n\n- Update to version 20260903.01\n * Update dependencies to latest (#636)\n * fix octal digit comparison in morePermissive (#631)\n * Remove KillMode from google-guest-agent-manager (#629)\n * Fix SUSE Linux Micro 6+ (#628)\n + Fix oslogin for Micro 6+\n * Exclude irrelevant tests on FreeBSD (#625)\n * Replace abandoned serial dependency (#624)\n * Add build rules for MWLID extension\n * Support basic account management on FreeBSD (#619)\n * fix dependency between sshd and google-guest-agent-manager.service (#621)\n * Update go.mod dependencies (#622)\n * Fallback to shebang execution when running scripts (#618)\n * Update go dependencies (#620)\n * Make guest-agent buildable on FreeBSD (#617)\n","modified":"2026-09-25T18:23:47.412606945Z","published":"2026-09-18T07:48:05Z","related":["CVE-2026-56852","CVE-2026-56854","CVE-2026-56855","CVE-2026-78662","CVE-2026-84303","CVE-2026-84304","CVE-2026-84445"],"upstream":["CVE-2026-56852","CVE-2026-56854","CVE-2026-56855","CVE-2026-78662","CVE-2026-84303","CVE-2026-84304","CVE-2026-84445"],"references":[{"type":"ADVISORY"},{"type":"REPORT","url":"https://bugzilla.suse.com/1253357"},{"type":"REPORT","url":"https://bugzilla.suse.com/1272118"},{"type":"REPORT","url":"https://bugzilla.suse.com/1278597"},{"type":"REPORT","url":"https://bugzilla.suse.com/1278967"},{"type":"REPORT","url":"https://bugzilla.suse.com/1279297"},{"type":"REPORT","url":"https://bugzilla.suse.com/1279414"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-56852"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-56854"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-56855"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-78662"},{"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":"google-guest-agent","ecosystem":"openSUSE:Leap 16.0","purl":"pkg:rpm/opensuse/google-guest-agent&distro=openSUSE%20Leap%2016.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"20260903.01-160000.1.1"}]}],"ecosystem_specific":{"binaries":[{"google-guest-agent":"20260903.01-160000.1.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2026:21879-1.json"}}],"schema_version":"1.9.0"}