CVE-2026-84445
gRPC-Go: Denial of Service (DoS) via crash due to missing `:authority` and `Host` headers in the xDS servers
CVE-2026-84445 is fixed in 23 products on 1 platform, first by OPENSUSE-SU-2026:21801-1, released September 7, 2026. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.5
Important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0064
50th percentile
Collector with the supported components for a AlmaLinux build of OpenTelemetry Security Fix(es): * google.golang.org/grpc: gRPC-Go: Denial of Service via malformed RPC requests (CVE-2026-84445) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| amazon-cloudwatch-agent · sles 15.6 | 1.300072.0-150400.9.13.1 | SUSE-SU-2026:4388-1 | Sep 29, 2026 |
| amazon-cloudwatch-agent · sles 15.7 | 1.300072.0-150400.9.13.1 | SUSE-SU-2026:4388-1 | Sep 29, 2026 |
| amazon-ecs-init · opensuse-leap 16.0 | 1.108.0-160000.1.1 | OPENSUSE-SU-2026:22145-1 | Nov 7, 2026 |
| amazon-ecs-init · sles 16.0 | 1.108.0-160000.1.1 | SUSE-SU-2026:24265-1 | Nov 7, 2026 |
| apptainer · opensuse-leap 16.0 | 1.5.3-bp160.4.1 | OPENSUSE-SU-2026:21927-1 | Sep 21, 2026 |
| apptainer · sles 15.7 | 1.5.3-150600.4.43.1 | SUSE-SU-2026:4308-1 | Sep 23, 2026 |
| azure-storage-azcopy · sles 15.6 | 10.32.8-150400.9.21.1 | SUSE-SU-2026:4125-1 | Sep 11, 2026 |
| azure-storage-azcopy · sles 15.7 | 10.32.8-150400.9.21.1 | SUSE-SU-2026:4125-1 | Sep 11, 2026 |
| cadvisor · opensuse-leap 16.0 | 0.60.5-bp160.2.1 | OPENSUSE-SU-2026:21843-1 | Sep 14, 2026 |
| distribution · opensuse-leap 16.0 | 3.1.1-160000.3.1 | OPENSUSE-SU-2026:21898-1 | Sep 21, 2026 |
| distribution · sles 16.0 | 3.1.1-160000.3.1 | SUSE-SU-2026:23864-1 | Sep 21, 2026 |
| flightctl · RHEL 10 | 1.2.2-1.el10 | RHSA-2026:94632 | Sep 16, 2026 |
| gh · opensuse-leap 16.0 | 2.102.0-bp160.1.1 | OPENSUSE-SU-2026:22134-1 | Nov 7, 2026 |
| google-cloud-sap-agent · opensuse-leap 16.0 | 3.15-160000.4.1 | OPENSUSE-SU-2026:21834-1 | Sep 14, 2026 |
| google-cloud-sap-agent · sles 15.6 | 3.15-150100.3.87.1 | SUSE-SU-2026:4206-1 | Sep 16, 2026 |
| google-cloud-sap-agent · sles 15.7 | 3.15-150100.3.87.1 | SUSE-SU-2026:4206-1 | Sep 16, 2026 |
| google-cloud-sap-agent · sles 16.0 | 3.15-160000.4.1 | SUSE-SU-2026:23729-1 | Sep 14, 2026 |
| google-guest-agent · opensuse-leap 16.0 | 20260903.01-160000.1.1 | OPENSUSE-SU-2026:21879-1 | Sep 18, 2026 |
| google-guest-agent · sles 15.6 | 20260903.01-150000.1.85.1 | SUSE-SU-2026:4270-1 | Sep 21, 2026 |
| google-guest-agent · sles 15.7 | 20260903.01-150000.1.85.1 | SUSE-SU-2026:4270-1 | Sep 21, 2026 |
| google-osconfig-agent · opensuse-leap 16.0 | 20260911.00-160000.1.1 | OPENSUSE-SU-2026:21882-1 | Sep 19, 2026 |
| google-osconfig-agent · sles 15.6 | 20260911.00-150000.1.67.1 | SUSE-SU-2026:4293-1 | Sep 23, 2026 |
| google-osconfig-agent · sles 15.7 | 20260911.00-150000.1.67.1 | SUSE-SU-2026:4293-1 | Sep 23, 2026 |
| govulncheck-vulndb · opensuse-leap 16.0 | 0.0.20260916T180043-160000.1.1 | OPENSUSE-SU-2026:21897-1 | Sep 21, 2026 |
| govulncheck-vulndb · sles 16.0 | 0.0.20260916T180043-160000.1.1 | SUSE-SU-2026:23863-1 | Sep 21, 2026 |
| hauler · opensuse-leap 16.0 | 2.1.0-bp160.3.1 | OPENSUSE-SU-2026:21841-1 | Sep 14, 2026 |
| helm · opensuse-leap 16.0 | 3.21.3-160000.2.1 | OPENSUSE-SU-2026:21809-1 | Sep 8, 2026 |
| helm · sles 15.6 | 3.21.3-150000.1.96.1 | SUSE-SU-2026:4175-1 | Sep 14, 2026 |
| helm · sles 15.7 | 3.21.3-150000.1.96.1 | SUSE-SU-2026:4175-1 | Sep 14, 2026 |
| helm · sles 16.0 | 3.21.3-160000.2.1 | SUSE-SU-2026:23688-1 | Sep 8, 2026 |
| mcphost · opensuse-leap 16.0 | 0.34.0-160000.5.1 | OPENSUSE-SU-2026:21886-1 | Sep 20, 2026 |
| opentelemetry-collector · RHEL 10 | 0.158.0-1.el10_0 | RHSA-2026:82344 | Oct 7, 2026 |
| opentelemetry-collector · RHEL 9 | 0:0.158.0-1.el9_8 | RHSA-2026:76744 | Oct 9, 2026 |
| opentelemetry-collector · almalinux 10 | 0.158.0-1.el10_2 | ALSA-2026:76743 | Oct 6, 2026 |
| opentelemetry-collector · almalinux 9 | 0.158.0-1.el9_8 | ALSA-2026:76744 | Oct 6, 2026 |
| opentelemetry-collector · rocky 10 | 0:0.158.0-1.el10_2 | RLSA-2026:76743 | Oct 7, 2026 |
| opentelemetry-collector · rocky 9 | 0:0.158.0-1.el9_8 | RLSA-2026:76744 | Nov 7, 2026 |
| osbuild-composer · RHEL 10 | 134.1-13.el10_0 | RHSA-2026:91646 | Oct 29, 2026 |
| osbuild-composer · rocky 9 | 0:165.1-5.el9_8.1.rocky.0.1 | RLSA-2026:95272 | Nov 7, 2026 |
| rhc · RHEL 8 | 1:0.2.5-12.el8_10 | RHSA-2026:73915 | Sep 30, 2026 |
| rhc · RHEL 9 | 1:0.2.7-13.el9_8 | RHSA-2026:72275 | Sep 28, 2026 |
| rhc-devel · RHEL 9 | 1:0.2.7-13.el9_8 | RHSA-2026:72275 | Sep 28, 2026 |
| rqlite · opensuse-leap 16.0 | 10.6.6-bp160.1.1 | OPENSUSE-SU-2026:22224-1 | Nov 7, 2026 |
| trivy · opensuse-leap 16.0 | 0.74.0-160000.2.1 | OPENSUSE-SU-2026:21801-1 | Sep 7, 2026 |
| v2ray-core · opensuse-leap 16.0 | 5.54.2-bp160.1.1 | OPENSUSE-SU-2026:21996-1 | Sep 28, 2026 |
| warewulf4 · opensuse-leap 16.0 | 4.7.1-bp160.2.1 | OPENSUSE-SU-2026:22221-1 | Nov 7, 2026 |
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