# 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. - Web page: https://patchblox.com/security/cve/CVE-2026-84445 - Priority: High - CVSS: 7.5 (Important) - EPSS: 0.0064 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Sep 7, 2026 - Weakness: Improper Validation of Array Index - Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-84445 ## Description 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 | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | amazon-cloudwatch-agent sles 15.6 | 1.300072.0-150400.9.13.1 | [SUSE-SU-2026:4388-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4388-1.md) | Sep 29, 2026 | | Linux | amazon-cloudwatch-agent sles 15.7 | 1.300072.0-150400.9.13.1 | [SUSE-SU-2026:4388-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4388-1.md) | Sep 29, 2026 | | Linux | amazon-ecs-init opensuse-leap 16.0 | 1.108.0-160000.1.1 | [OPENSUSE-SU-2026:22145-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-22145-1.md) | Nov 7, 2026 | | Linux | amazon-ecs-init sles 16.0 | 1.108.0-160000.1.1 | [SUSE-SU-2026:24265-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-24265-1.md) | Nov 7, 2026 | | Linux | apptainer opensuse-leap 16.0 | 1.5.3-bp160.4.1 | [OPENSUSE-SU-2026:21927-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21927-1.md) | Sep 21, 2026 | | Linux | apptainer sles 15.7 | 1.5.3-150600.4.43.1 | [SUSE-SU-2026:4308-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4308-1.md) | Sep 23, 2026 | | Linux | azure-storage-azcopy sles 15.6 | 10.32.8-150400.9.21.1 | [SUSE-SU-2026:4125-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4125-1.md) | Sep 11, 2026 | | Linux | azure-storage-azcopy sles 15.7 | 10.32.8-150400.9.21.1 | [SUSE-SU-2026:4125-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4125-1.md) | Sep 11, 2026 | | Linux | cadvisor opensuse-leap 16.0 | 0.60.5-bp160.2.1 | [OPENSUSE-SU-2026:21843-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21843-1.md) | Sep 14, 2026 | | Linux | distribution opensuse-leap 16.0 | 3.1.1-160000.3.1 | [OPENSUSE-SU-2026:21898-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21898-1.md) | Sep 21, 2026 | | Linux | distribution sles 16.0 | 3.1.1-160000.3.1 | [SUSE-SU-2026:23864-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-23864-1.md) | Sep 21, 2026 | | Linux | flightctl RHEL 10 | 1.2.2-1.el10 | [RHSA-2026:94632](https://patchblox.com/security/data/fix/linux/rhsa-2026-94632.md) | Sep 16, 2026 | | Linux | gh opensuse-leap 16.0 | 2.102.0-bp160.1.1 | [OPENSUSE-SU-2026:22134-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-22134-1.md) | Nov 7, 2026 | | Linux | google-cloud-sap-agent opensuse-leap 16.0 | 3.15-160000.4.1 | [OPENSUSE-SU-2026:21834-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21834-1.md) | Sep 14, 2026 | | Linux | google-cloud-sap-agent sles 15.6 | 3.15-150100.3.87.1 | [SUSE-SU-2026:4206-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4206-1.md) | Sep 16, 2026 | | Linux | google-cloud-sap-agent sles 15.7 | 3.15-150100.3.87.1 | [SUSE-SU-2026:4206-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4206-1.md) | Sep 16, 2026 | | Linux | google-cloud-sap-agent sles 16.0 | 3.15-160000.4.1 | [SUSE-SU-2026:23729-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-23729-1.md) | Sep 14, 2026 | | Linux | google-guest-agent opensuse-leap 16.0 | 20260903.01-160000.1.1 | [OPENSUSE-SU-2026:21879-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21879-1.md) | Sep 18, 2026 | | Linux | google-guest-agent sles 15.6 | 20260903.01-150000.1.85.1 | [SUSE-SU-2026:4270-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4270-1.md) | Sep 21, 2026 | | Linux | google-guest-agent sles 15.7 | 20260903.01-150000.1.85.1 | [SUSE-SU-2026:4270-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4270-1.md) | Sep 21, 2026 | | Linux | google-osconfig-agent opensuse-leap 16.0 | 20260911.00-160000.1.1 | [OPENSUSE-SU-2026:21882-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21882-1.md) | Sep 19, 2026 | | Linux | google-osconfig-agent sles 15.6 | 20260911.00-150000.1.67.1 | [SUSE-SU-2026:4293-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4293-1.md) | Sep 23, 2026 | | Linux | google-osconfig-agent sles 15.7 | 20260911.00-150000.1.67.1 | [SUSE-SU-2026:4293-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4293-1.md) | Sep 23, 2026 | | Linux | govulncheck-vulndb opensuse-leap 16.0 | 0.0.20260916T180043-160000.1.1 | [OPENSUSE-SU-2026:21897-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21897-1.md) | Sep 21, 2026 | | Linux | govulncheck-vulndb sles 16.0 | 0.0.20260916T180043-160000.1.1 | [SUSE-SU-2026:23863-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-23863-1.md) | Sep 21, 2026 | | Linux | hauler opensuse-leap 16.0 | 2.1.0-bp160.3.1 | [OPENSUSE-SU-2026:21841-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21841-1.md) | Sep 14, 2026 | | Linux | helm opensuse-leap 16.0 | 3.21.3-160000.2.1 | [OPENSUSE-SU-2026:21809-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21809-1.md) | Sep 8, 2026 | | Linux | helm sles 15.6 | 3.21.3-150000.1.96.1 | [SUSE-SU-2026:4175-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4175-1.md) | Sep 14, 2026 | | Linux | helm sles 15.7 | 3.21.3-150000.1.96.1 | [SUSE-SU-2026:4175-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4175-1.md) | Sep 14, 2026 | | Linux | helm sles 16.0 | 3.21.3-160000.2.1 | [SUSE-SU-2026:23688-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-23688-1.md) | Sep 8, 2026 | | Linux | mcphost opensuse-leap 16.0 | 0.34.0-160000.5.1 | [OPENSUSE-SU-2026:21886-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21886-1.md) | Sep 20, 2026 | | Linux | opentelemetry-collector RHEL 10 | 0.158.0-1.el10_0 | [RHSA-2026:82344](https://patchblox.com/security/data/fix/linux/rhsa-2026-82344.md) | Oct 7, 2026 | | Linux | opentelemetry-collector RHEL 9 | 0:0.158.0-1.el9_8 | [RHSA-2026:76744](https://patchblox.com/security/data/fix/linux/rhsa-2026-76744.md) | Oct 9, 2026 | | Linux | opentelemetry-collector almalinux 10 | 0.158.0-1.el10_2 | [ALSA-2026:76743](https://patchblox.com/security/data/fix/linux/alsa-2026-76743.md) | Oct 6, 2026 | | Linux | opentelemetry-collector almalinux 9 | 0.158.0-1.el9_8 | [ALSA-2026:76744](https://patchblox.com/security/data/fix/linux/alsa-2026-76744.md) | Oct 6, 2026 | | Linux | opentelemetry-collector rocky 10 | 0:0.158.0-1.el10_2 | [RLSA-2026:76743](https://patchblox.com/security/data/fix/linux/rlsa-2026-76743.md) | Oct 7, 2026 | | Linux | opentelemetry-collector rocky 9 | 0:0.158.0-1.el9_8 | [RLSA-2026:76744](https://patchblox.com/security/data/fix/linux/rlsa-2026-76744.md) | Nov 7, 2026 | | Linux | osbuild-composer RHEL 10 | 134.1-13.el10_0 | [RHSA-2026:91646](https://patchblox.com/security/data/fix/linux/rhsa-2026-91646.md) | Oct 29, 2026 | | Linux | osbuild-composer rocky 9 | 0:165.1-5.el9_8.1.rocky.0.1 | [RLSA-2026:95272](https://patchblox.com/security/data/fix/linux/rlsa-2026-95272.md) | Nov 7, 2026 | | Linux | rhc RHEL 8 | 1:0.2.5-12.el8_10 | [RHSA-2026:73915](https://patchblox.com/security/data/fix/linux/rhsa-2026-73915.md) | Sep 30, 2026 | | Linux | rhc RHEL 9 | 1:0.2.7-13.el9_8 | [RHSA-2026:72275](https://patchblox.com/security/data/fix/linux/rhsa-2026-72275.md) | Sep 28, 2026 | | Linux | rhc-devel RHEL 9 | 1:0.2.7-13.el9_8 | [RHSA-2026:72275](https://patchblox.com/security/data/fix/linux/rhsa-2026-72275.md) | Sep 28, 2026 | | Linux | rqlite opensuse-leap 16.0 | 10.6.6-bp160.1.1 | [OPENSUSE-SU-2026:22224-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-22224-1.md) | Nov 7, 2026 | | Linux | trivy opensuse-leap 16.0 | 0.74.0-160000.2.1 | [OPENSUSE-SU-2026:21801-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21801-1.md) | Sep 7, 2026 | | Linux | v2ray-core opensuse-leap 16.0 | 5.54.2-bp160.1.1 | [OPENSUSE-SU-2026:21996-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21996-1.md) | Sep 28, 2026 | | Linux | warewulf4 opensuse-leap 16.0 | 4.7.1-bp160.2.1 | [OPENSUSE-SU-2026:22221-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-22221-1.md) | Nov 7, 2026 | --- Data as of 2026-11-08T19:12:23Z UTC. 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