OPENSUSE-SU-2026:21882-1: google-osconfig-agent security update

OPENSUSE-SU-2026:21882-1, released September 19, 2026, fixes 8 CVEs in google-osconfig-agent (version 20260911.00-160000.1.1). None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

8.8

Base score, 0 to 10

Highest EPSS

0.0064

51st percentile

Priority of the 8 CVEs

Patch now 0
                                Urgent 0
                                High 6
                                Routine 2

Fixed package versions

Product	Release	Fixed in
google-osconfig-agent	opensuse-leap 16.0	20260911.00-160000.1.1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-84445	gRPC-Go: Denial of Service (DoS) via crash due to missing `:authority` and `Host` headers in the xDS servers	7.5	0.0064	None reported
High	CVE-2026-56855	Prevent DoS on deadlocked established channel in golang.org/x/crypto/ssh	7.5	0.0050	None reported
High	CVE-2026-56852	Infinite loop on invalid input in golang.org/x/text	8.8	0.0048	None reported
High	CVE-2026-56854	amazon-ssm-agent: golang.org/x/crypto/ssh: source-address restriction bypassed in 5 callback families (bsc#1278681)	7.5	0.0044	None reported
High	CVE-2026-78662	Prevent DoS on deadlocked undecided channel in golang.org/x/crypto/ssh	7.5	0.0043	None reported
High	CVE-2026-41178	alloy: go.opentelemetry.io/otel/baggage: no rejection of raw-length headers in baggage parsing allows for DoS	8.2	0.0034	None reported
Routine	CVE-2026-84304	gRPC-Go: Heap Memory Exhaustion (OOM) via HTTP/2 DATA Frame Fragmentation	4.4	0.0061	None reported
Routine	CVE-2026-84303	gRPC-Go: xDS RBAC HTTP Filter bypass via mixed-case Header Matching and gRFC A41 validation evasion	n/a	0.0031	None reported

Also fixes CVE-2026-84445

OPENSUSE-SU-2026:21897-1
govulncheck-vulndb on opensuse-leap 16.0
SUSE-SU-2026:23863-1
govulncheck-vulndb on sles 16.0
OPENSUSE-SU-2026:22224-1
rqlite on opensuse-leap 16.0
OPENSUSE-SU-2026:21996-1
v2ray-core on opensuse-leap 16.0
SUSE-SU-2026:4270-1
google-guest-agent on sles 15.6, sles 15.7
RHSA-2026:91646
osbuild-composer on RHEL 10
SUSE-SU-2026:4293-1
google-osconfig-agent on sles 15.6, sles 15.7
OPENSUSE-SU-2026:22134-1
gh on opensuse-leap 16.0

Vendor advisory

https://osv.dev/vulnerability/openSUSE-SU-2026:21882-1

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