{"id":"SUSE-SU-2026:4270-1","summary":"Security update for google-guest-agent","details":"This update for google-guest-agent fixes the following issues:\n\n- CVE-2026-33186: google.golang.org/grpc: authorization bypass due to improper validation of the HTTP/2 :path pseudo-\n  header (bsc#1260264).\n- CVE-2026-56852: golang.org/x/text/unicode/norm: infinite loop on truncated/invalid UTF-8 input (bsc#1272118).\n- CVE-2026-56854: golang.org/x/crypto/ssh: source-address critical option not enforced for non-public-key auth callbacks (bsc#1278597)\n- CVE-2026-56855: golang.org/x/crypto/ssh: prevent DoS on deadlocked established channel (bsc#1278597)\n- CVE-2026-78662: golang.org/x/crypto/ssh: prevent DoS on deadlocked undecided channel (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- Updated to version 20260903.01\n","modified":"2026-09-21T17:15:11.159630569Z","published":"2026-09-21T07:29:56Z","related":["CVE-2026-33186","CVE-2026-56852","CVE-2026-56854","CVE-2026-56855","CVE-2026-78662","CVE-2026-84303","CVE-2026-84304","CVE-2026-84445"],"upstream":["CVE-2026-33186","CVE-2026-56852","CVE-2026-56854","CVE-2026-56855","CVE-2026-78662","CVE-2026-84303","CVE-2026-84304","CVE-2026-84445"],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2026/suse-su-20264270-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1253357"},{"type":"REPORT","url":"https://bugzilla.suse.com/1260264"},{"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-2026-33186"},{"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":"SUSE:Linux Enterprise Micro 5.5","purl":"pkg:rpm/suse/google-guest-agent&distro=SUSE%20Linux%20Enterprise%20Micro%205.5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"20260903.01-150000.1.85.1"}]}],"ecosystem_specific":{"binaries":[{"google-guest-agent":"20260903.01-150000.1.85.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4270-1.json"}},{"package":{"name":"google-guest-agent","ecosystem":"SUSE:Linux Enterprise Module for Public Cloud 15 SP4","purl":"pkg:rpm/suse/google-guest-agent&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"20260903.01-150000.1.85.1"}]}],"ecosystem_specific":{"binaries":[{"google-guest-agent":"20260903.01-150000.1.85.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4270-1.json"}},{"package":{"name":"google-guest-agent","ecosystem":"SUSE:Linux Enterprise Module for Public Cloud 15 SP5","purl":"pkg:rpm/suse/google-guest-agent&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP5"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"20260903.01-150000.1.85.1"}]}],"ecosystem_specific":{"binaries":[{"google-guest-agent":"20260903.01-150000.1.85.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4270-1.json"}},{"package":{"name":"google-guest-agent","ecosystem":"SUSE:Linux Enterprise Module for Public Cloud 15 SP6","purl":"pkg:rpm/suse/google-guest-agent&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"20260903.01-150000.1.85.1"}]}],"ecosystem_specific":{"binaries":[{"google-guest-agent":"20260903.01-150000.1.85.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4270-1.json"}},{"package":{"name":"google-guest-agent","ecosystem":"SUSE:Linux Enterprise Module for Public Cloud 15 SP7","purl":"pkg:rpm/suse/google-guest-agent&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"20260903.01-150000.1.85.1"}]}],"ecosystem_specific":{"binaries":[{"google-guest-agent":"20260903.01-150000.1.85.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4270-1.json"}}],"schema_version":"1.9.0"}