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Vulnerabilities / SUSE-SU-2026:23831-1

critical

SUSE-SU-2026:23831-1

Security update for google-guest-agent

In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

No source gives a CVSS score.

Trivy's own label is CRITICAL. Rated critical by SUSE.

Description

This update for google-guest-agent fixes the following issues: - CVE-2026-56852: golang.org/x/text/unicode/norm: infinite loop on truncated/invalid UTF-8 input (bsc#1272118). - CVE-2026-56854,CVE-2026-56855,CVE-2026-78662: golang.org/x/crypto/ssh: authentication bypass and deadlocks in the crypto/ssh library (bsc#1278597). - CVE-2026-84303: google.golang.org/grpc: xDS RBAC HTTP filter implementation issue allows for bypass of authorization policies via mixed-case or canonical-case header matches (bsc#1279297). - CVE-2026-84304: google.golang.org/grpc: heap memory exhaustion via HTTP/2 DATA frame fragmentation (bsc#1279414). - CVE-2026-84445: google.golang.org/grpc: DoS via crash due to missing ':authority' and 'Host' headers in gRPC-Go xDS servers (bsc#1278967). Changes for google-guest-agent: - Update to version 20260903.01 * Update dependencies to latest (#636) * fix octal digit comparison in morePermissive (#631) * Remove KillMode from google-guest-agent-manager (#629) * Fix SUSE Linux Micro 6+ (#628) + Fix oslogin for Micro 6+ * Exclude irrelevant tests on FreeBSD (#625) * Replace abandoned serial dependency (#624) * Add build rules for MWLID extension * Support basic account management on FreeBSD (#619) * fix dependency between sshd and google-guest-agent-manager.service (#621) * Update go.mod dependencies (#622) * Fallback to shebang execution when running scripts (#618) * Update go dependencies (#620) * Make guest-agent buildable on FreeBSD (#617)

Affected packages and fixed versions

SourcePackageFixed in
SUSE Linux Enterprise Micro 6.0google-guest-agent20260903.01-1.1

References

All 16 references

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.