CVE-2026-78669

Excessive CPU consumption from repeated initial window changes in net/http

CVE-2026-78669 is fixed in 46 products on 1 platform, first by DEBIAN-CVE-2026-78669, released October 12, 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
0.0085
58th percentile

The Grafana plugin for Performance Co-Pilot includes datasources for scalable time series from pmseries and Redis, live PCP metrics and bpftrace scripts from pmdabpftrace, as well as several dashboards. Security Fix(es): * crypto/tls: golang: crypto/tls: Denial of Service via multiple ECH outer extension references (CVE-2026-97031) * net/http: net/http/internal/http2: golang.org/x/net/http2: net/http: Denial of Service via excessive HTTP/2 SETTINGS frames (CVE-2026-78669) * crypto/x509: golang: crypto/x509: Man-in-the-middle attacks via untrusted intermediate certificates (CVE-2026-111943) 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

ProductFixed inFixReleased
Linux
aws-iam-authenticator · sles 15.6 0.7.22-150000.1.23.1 SUSE-SU-2026:4891-1 Nov 7, 2026
aws-iam-authenticator · sles 15.7 0.7.22-150000.1.23.1 SUSE-SU-2026:4891-1 Nov 7, 2026
buildah · RHEL 10 1.43.1-7.el10_2 RHSA-2026:88262 Oct 24, 2026
buildah · almalinux 10 2:1.43.1-7.el10_2 ALSA-2026:88262 Nov 7, 2026
buildah · ol 10 2:1.43.1-7.0.1.el10_2 ELSA-2026-88262 Nov 7, 2026
buildah · rocky 10 2:1.43.1-7.el10_2 RLSA-2026:88262 Nov 7, 2026
buildah-tests · almalinux 10 2:1.43.1-7.el10_2 ALSA-2026:88262 Nov 7, 2026
buildah-tests · ol 10 2:1.43.1-7.0.1.el10_2 ELSA-2026-88262 Nov 7, 2026
cadvisor · opensuse-leap 16.0 0.60.6-bp160.3.1 OPENSUSE-SU-2026:22200-1 Nov 7, 2026
coredns · opensuse-leap 16.0 1.15.0-bp160.1.1 OPENSUSE-SU-2026:22194-1 Nov 7, 2026
delve · RHEL 10 1.26.1-3.el10_0 RHSA-2026:89884 Oct 27, 2026
delve · RHEL 8 0:1.26.1-1.module+el8.10.0+24516+40554724 RHSA-2026:86203 Oct 21, 2026
delve · almalinux 10 1.26.1-3.el10_2 ALSA-2026:95519 Nov 7, 2026
delve · almalinux 8 1.26.1-1.module_el8.10.0+4307+6e4cbc60 ALSA-2026:86203 Nov 7, 2026
delve · ol 10 0:1.26.1-3.0.1.el10_2 ELSA-2026-95519 Nov 7, 2026
delve · ol 8 0:1.26.1-1.0.1.module+el8.10.0+91008+b9491da4 ELSA-2026-86203 Nov 7, 2026
delve · rocky 10 0:1.26.1-3.el10_2 RLSA-2026:95519 Nov 7, 2026
delve · rocky 8 0:1.26.1-1.module+el8.10.0+40244+e7cb3ff8 RLSA-2026:86203 Nov 7, 2026
gh · opensuse-leap 16.0 2.103.3-bp160.1.1 OPENSUSE-SU-2026:22222-1 Nov 7, 2026
go-toolset · RHEL 8 0:1.26.10-1.module+el8.10.0+25107+6b50279c RHSA-2026:86203 Oct 21, 2026
go-toolset · RHEL 9 0:1.26.10-1.el9_8 RHSA-2026:86196 Oct 21, 2026
go-toolset · almalinux 10 1.26.10-1.el10_2.alma.1 ALSA-2026:86093 Nov 7, 2026
go-toolset · almalinux 8 1.26.10-1.module_el8.10.0+4307+6e4cbc60 ALSA-2026:86203 Nov 7, 2026
go-toolset · almalinux 9 1.26.10-1.el9_8 ALSA-2026:86196 Nov 7, 2026
go-toolset · ol 10 0:1.26.10-1.0.1.el10_2 ELSA-2026-86093 Nov 7, 2026
go-toolset · ol 8 0:1.26.10-1.0.1.module+el8.10.0+91075+4cd454b9 ELSA-2026-86203 Nov 7, 2026
go-toolset · ol 9 0:1.26.10-1.0.1.el9_8 ELSA-2026-86196 Nov 7, 2026
go1.26 · opensuse-leap 16.0 1.26.10-160000.1.1 OPENSUSE-SU-2026:22152-1 Nov 7, 2026
go1.26 · sles 15.6 1.26.10-150000.1.36.1 SUSE-SU-2026:4864-1 Nov 7, 2026
go1.26 · sles 15.7 1.26.10-150000.1.36.1 SUSE-SU-2026:4864-1 Nov 7, 2026
go1.26 · sles 16.0 1.26.10-160000.1.1 SUSE-SU-2026:24359-1 Nov 7, 2026
go1.26-openssl · sles 15.6 1.26.10-150600.13.18.1 SUSE-SU-2026:4866-1 Nov 7, 2026
go1.26-openssl · sles 15.7 1.26.10-150600.13.18.1 SUSE-SU-2026:4866-1 Nov 7, 2026
go1.27 · opensuse-leap 16.0 1.27.2-160000.1.1 OPENSUSE-SU-2026:22093-1 Nov 7, 2026
go1.27 · sles 15.6 1.27.2-150000.1.12.1 SUSE-SU-2026:4625-1 Nov 7, 2026
go1.27 · sles 15.7 1.27.2-150000.1.12.1 SUSE-SU-2026:4625-1 Nov 7, 2026
go1.27 · sles 16.0 1.27.2-160000.1.1 SUSE-SU-2026:24237-1 Nov 7, 2026
golang · RHEL 10 1.26.10-1.el10_0 RHSA-2026:87040 Oct 21, 2026
golang · RHEL 8 0:1.26.10-1.module+el8.10.0+25107+6b50279c RHSA-2026:86203 Oct 21, 2026
golang · RHEL 9 0:1.26.10-1.el9_8 RHSA-2026:86196 Oct 21, 2026
golang · almalinux 10 1.26.10-1.el10_2.alma.1 ALSA-2026:86093 Nov 7, 2026
golang · almalinux 8 1.26.10-1.module_el8.10.0+4307+6e4cbc60 ALSA-2026:86203 Nov 7, 2026
golang · almalinux 9 1.26.10-1.el9_8 ALSA-2026:86196 Nov 7, 2026
golang · amzn 2023 1.26.9-1.amzn2023.0.1 ALAS2023-2026-3225 Nov 7, 2026
golang · ol 10 0:1.26.10-1.0.1.el10_2 ELSA-2026-86093 Nov 7, 2026
golang · ol 8 0:1.26.10-1.0.1.module+el8.10.0+91075+4cd454b9 ELSA-2026-86203 Nov 7, 2026
golang · ol 9 0:1.26.10-1.0.1.el9_8 ELSA-2026-86196 Nov 7, 2026
golang · rocky 10 0:1.26.10-1.el10_2 RLSA-2026:86093 Nov 7, 2026
golang · rocky 9 0:1.26.10-1.el9_8 RLSA-2026:86196 Nov 7, 2026
golang-1.22 · Ubuntu 22.04.1 LTS (jammy) 1.22.2-2~22.04.4 golang-1.22 1.22.2-2~22.04.4 Oct 20, 2026
golang-1.22 · Ubuntu 24.04.5 LTS (noble) 1.22.2-2ubuntu0.5 golang-1.22 1.22.2-2ubuntu0.5 Oct 20, 2026
golang-1.22-go · Ubuntu 22.04.1 LTS (jammy) 1.22.2-2~22.04.4 golang-1.22-go 1.22.2-2~22.04.4 Oct 20, 2026
golang-1.22-go · Ubuntu 24.04.5 LTS (noble) 1.22.2-2ubuntu0.5 golang-1.22-go 1.22.2-2ubuntu0.5 Oct 20, 2026
golang-1.22-src · Ubuntu 22.04.1 LTS (jammy) 1.22.2-2~22.04.4 golang-1.22-src 1.22.2-2~22.04.4 Oct 20, 2026
golang-1.22-src · Ubuntu 24.04.5 LTS (noble) 1.22.2-2ubuntu0.5 golang-1.22-src 1.22.2-2ubuntu0.5 Oct 20, 2026
golang-1.26 · Debian 14 1.26.9-1 DEBIAN-CVE-2026-78669 Oct 12, 2026
golang-1.27 · Debian 14 1.27.2-1 DEBIAN-CVE-2026-78669 Oct 12, 2026
golang-bin · RHEL 8 0:1.26.10-1.module+el8.10.0+25107+6b50279c RHSA-2026:86203 Oct 21, 2026
golang-bin · RHEL 9 0:1.26.10-1.el9_8 RHSA-2026:86196 Oct 21, 2026
golang-bin · almalinux 10 1.26.10-1.el10_2.alma.1 ALSA-2026:86093 Nov 7, 2026
golang-bin · almalinux 8 1.26.10-1.module_el8.10.0+4307+6e4cbc60 ALSA-2026:86203 Nov 7, 2026
golang-bin · almalinux 9 1.26.10-1.el9_8 ALSA-2026:86196 Nov 7, 2026
golang-bin · amzn 2023 1.26.9-1.amzn2023.0.1 ALAS2023-2026-3225 Nov 7, 2026
golang-bin · ol 10 0:1.26.10-1.0.1.el10_2 ELSA-2026-86093 Nov 7, 2026
golang-bin · ol 8 0:1.26.10-1.0.1.module+el8.10.0+91075+4cd454b9 ELSA-2026-86203 Nov 7, 2026
golang-bin · ol 9 0:1.26.10-1.0.1.el9_8 ELSA-2026-86196 Nov 7, 2026
golang-docs · RHEL 8 0:1.26.10-1.module+el8.10.0+25107+6b50279c RHSA-2026:86203 Oct 21, 2026
golang-docs · RHEL 9 0:1.26.10-1.el9_8 RHSA-2026:86196 Oct 21, 2026
golang-docs · almalinux 10 1.26.10-1.el10_2.alma.1 ALSA-2026:86093 Nov 7, 2026
golang-docs · almalinux 8 1.26.10-1.module_el8.10.0+4307+6e4cbc60 ALSA-2026:86203 Nov 7, 2026
golang-docs · almalinux 9 1.26.10-1.el9_8 ALSA-2026:86196 Nov 7, 2026
golang-docs · amzn 2023 1.26.9-1.amzn2023.0.1 ALAS2023-2026-3225 Nov 7, 2026
golang-docs · ol 10 0:1.26.10-1.0.1.el10_2 ELSA-2026-86093 Nov 7, 2026
golang-docs · ol 8 0:1.26.10-1.0.1.module+el8.10.0+91075+4cd454b9 ELSA-2026-86203 Nov 7, 2026
golang-docs · ol 9 0:1.26.10-1.0.1.el9_8 ELSA-2026-86196 Nov 7, 2026
golang-github-openprinting-ipp-usb · RHEL 10 0.9.27-7.el10_2.4 RHSA-2026:88280 Oct 24, 2026
golang-github-openprinting-ipp-usb · rocky 10 0:0.9.27-7.el10_2.4 RLSA-2026:88280 Nov 7, 2026
golang-golang-x-net · Debian 14 1:0.60.0-1 DEBIAN-CVE-2026-78669 Oct 12, 2026
golang-misc · RHEL 8 0:1.26.10-1.module+el8.10.0+25107+6b50279c RHSA-2026:86203 Oct 21, 2026
golang-misc · RHEL 9 0:1.26.10-1.el9_8 RHSA-2026:86196 Oct 21, 2026
golang-misc · almalinux 10 1.26.10-1.el10_2.alma.1 ALSA-2026:86093 Nov 7, 2026
golang-misc · almalinux 8 1.26.10-1.module_el8.10.0+4307+6e4cbc60 ALSA-2026:86203 Nov 7, 2026
golang-misc · almalinux 9 1.26.10-1.el9_8 ALSA-2026:86196 Nov 7, 2026
golang-misc · amzn 2023 1.26.9-1.amzn2023.0.1 ALAS2023-2026-3225 Nov 7, 2026
golang-misc · ol 10 0:1.26.10-1.0.1.el10_2 ELSA-2026-86093 Nov 7, 2026
golang-misc · ol 8 0:1.26.10-1.0.1.module+el8.10.0+91075+4cd454b9 ELSA-2026-86203 Nov 7, 2026
golang-misc · ol 9 0:1.26.10-1.0.1.el9_8 ELSA-2026-86196 Nov 7, 2026
golang-race · RHEL 8 0:1.26.10-1.module+el8.10.0+25107+6b50279c RHSA-2026:86203 Oct 21, 2026
golang-race · RHEL 9 0:1.26.10-1.el9_8 RHSA-2026:86196 Oct 21, 2026
golang-race · almalinux 10 1.26.10-1.el10_2.alma.1 ALSA-2026:86093 Nov 7, 2026
golang-race · almalinux 8 1.26.10-1.module_el8.10.0+4307+6e4cbc60 ALSA-2026:86203 Nov 7, 2026
golang-race · almalinux 9 1.26.10-1.el9_8 ALSA-2026:86196 Nov 7, 2026
golang-race · ol 10 0:1.26.10-1.0.1.el10_2 ELSA-2026-86093 Nov 7, 2026
golang-race · ol 8 0:1.26.10-1.0.1.module+el8.10.0+91075+4cd454b9 ELSA-2026-86203 Nov 7, 2026
golang-race · ol 9 0:1.26.10-1.0.1.el9_8 ELSA-2026-86196 Nov 7, 2026
golang-shared · amzn 2023 1.26.9-1.amzn2023.0.1 ALAS2023-2026-3225 Nov 7, 2026
golang-src · RHEL 8 0:1.26.10-1.module+el8.10.0+25107+6b50279c RHSA-2026:86203 Oct 21, 2026
golang-src · RHEL 9 0:1.26.10-1.el9_8 RHSA-2026:86196 Oct 21, 2026
golang-src · almalinux 10 1.26.10-1.el10_2.alma.1 ALSA-2026:86093 Nov 7, 2026
golang-src · almalinux 8 1.26.10-1.module_el8.10.0+4307+6e4cbc60 ALSA-2026:86203 Nov 7, 2026
golang-src · almalinux 9 1.26.10-1.el9_8 ALSA-2026:86196 Nov 7, 2026
golang-src · amzn 2023 1.26.9-1.amzn2023.0.1 ALAS2023-2026-3225 Nov 7, 2026
golang-src · ol 10 0:1.26.10-1.0.1.el10_2 ELSA-2026-86093 Nov 7, 2026
golang-src · ol 8 0:1.26.10-1.0.1.module+el8.10.0+91075+4cd454b9 ELSA-2026-86203 Nov 7, 2026
golang-src · ol 9 0:1.26.10-1.0.1.el9_8 ELSA-2026-86196 Nov 7, 2026
golang-tests · RHEL 8 0:1.26.10-1.module+el8.10.0+25107+6b50279c RHSA-2026:86203 Oct 21, 2026
golang-tests · RHEL 9 0:1.26.10-1.el9_8 RHSA-2026:86196 Oct 21, 2026
golang-tests · almalinux 10 1.26.10-1.el10_2.alma.1 ALSA-2026:86093 Nov 7, 2026
golang-tests · almalinux 8 1.26.10-1.module_el8.10.0+4307+6e4cbc60 ALSA-2026:86203 Nov 7, 2026
golang-tests · almalinux 9 1.26.10-1.el9_8 ALSA-2026:86196 Nov 7, 2026
golang-tests · amzn 2023 1.26.9-1.amzn2023.0.1 ALAS2023-2026-3225 Nov 7, 2026
golang-tests · ol 10 0:1.26.10-1.0.1.el10_2 ELSA-2026-86093 Nov 7, 2026
golang-tests · ol 8 0:1.26.10-1.0.1.module+el8.10.0+91075+4cd454b9 ELSA-2026-86203 Nov 7, 2026
golang-tests · ol 9 0:1.26.10-1.0.1.el9_8 ELSA-2026-86196 Nov 7, 2026
google-cloud-sap-agent · sles 16.0 3.15-160000.5.1 SUSE-SU-2026:24604-1 Nov 8, 2026
grafana · RHEL 10 10.2.6-27.el10_0 RHSA-2026:88397 Oct 24, 2026
grafana · RHEL 8 0:9.2.10-36.el8_10 RHSA-2026:88188 Oct 24, 2026
grafana · RHEL 9 0:10.2.6-23.el9_8.7 RHSA-2026:89744 Oct 27, 2026
grafana · almalinux 8 9.2.10-36.el8_10 ALSA-2026:88188 Nov 7, 2026
grafana · almalinux 9 10.2.6-23.el9_8.7 ALSA-2026:89744 Nov 7, 2026
grafana · ol 10 0:10.2.6-28.el10_2.9 ELSA-2026-89751 Nov 7, 2026
grafana · ol 8 0:9.2.10-36.0.1.el8_10 ELSA-2026-88188 Nov 7, 2026
grafana · ol 9 0:10.2.6-23.el9_8.7 ELSA-2026-89744 Nov 7, 2026
grafana · rocky 8 0:9.2.10-36.el8_10 RLSA-2026:88188 Nov 7, 2026
grafana · rocky 9 0:10.2.6-23.el9_8.7 RLSA-2026:89744 Nov 7, 2026
grafana-pcp · RHEL 10 5.3.0-1.el10_0.2 RHSA-2026:88317 Oct 24, 2026
grafana-pcp · RHEL 8 0:5.1.1-19.el8_10 RHSA-2026:88189 Oct 24, 2026
grafana-pcp · RHEL 9 0:5.1.1-17.el9_8.2 RHSA-2026:88354 Oct 24, 2026
grafana-pcp · almalinux 10 5.3.0-8.el10_2.2 ALSA-2026:88316 Nov 7, 2026
grafana-pcp · almalinux 8 5.1.1-19.el8_10 ALSA-2026:88189 Nov 7, 2026
grafana-pcp · almalinux 9 5.1.1-17.el9_8.2 ALSA-2026:88354 Nov 7, 2026
grafana-pcp · ol 10 0:5.3.0-8.el10_2.2 ELSA-2026-88316 Nov 7, 2026
grafana-pcp · ol 8 0:5.1.1-19.el8_10 ELSA-2026-88189 Nov 7, 2026
grafana-pcp · ol 9 0:5.1.1-17.el9_8.2 ELSA-2026-88354 Nov 7, 2026
grafana-pcp · rocky 10 0:5.3.0-8.el10_2.2 RLSA-2026:88316 Nov 7, 2026
grafana-pcp · rocky 8 0:5.1.1-19.el8_10 RLSA-2026:88189 Nov 7, 2026
grafana-pcp · rocky 9 0:5.1.1-17.el9_8.2 RLSA-2026:88354 Nov 7, 2026
grafana-selinux · RHEL 8 0:9.2.10-36.el8_10 RHSA-2026:88188 Oct 24, 2026
grafana-selinux · RHEL 9 0:10.2.6-23.el9_8.7 RHSA-2026:89744 Oct 27, 2026
grafana-selinux · almalinux 8 9.2.10-36.el8_10 ALSA-2026:88188 Nov 7, 2026
grafana-selinux · almalinux 9 10.2.6-23.el9_8.7 ALSA-2026:89744 Nov 7, 2026
grafana-selinux · ol 10 0:10.2.6-28.el10_2.9 ELSA-2026-89751 Nov 7, 2026
grafana-selinux · ol 8 0:9.2.10-36.0.1.el8_10 ELSA-2026-88188 Nov 7, 2026
grafana-selinux · ol 9 0:10.2.6-23.el9_8.7 ELSA-2026-89744 Nov 7, 2026
hauler · opensuse-leap 16.0 2.1.2-bp160.1.1 OPENSUSE-SU-2026:22201-1 Nov 7, 2026
helm · sles 15.6 3.22.1-150000.1.104.1 SUSE-SU-2026:5119-1 Nov 7, 2026
helm · sles 15.7 3.22.1-150000.1.104.1 SUSE-SU-2026:5119-1 Nov 7, 2026
ipp-usb · almalinux 10 0.9.27-7.el10_2.4 ALSA-2026:88280 Nov 7, 2026
ipp-usb · ol 10 0:0.9.27-7.el10_2.4 ELSA-2026-88280 Nov 7, 2026
kubevirt1.9 · opensuse-leap 16.0 1.9.1-160000.1.1 OPENSUSE-SU-2026:22180-1 Nov 7, 2026
opentelemetry-collector · RHEL 10 0.158.0-2.el10_0 RHSA-2026:95016 Nov 3, 2026
opentelemetry-collector · RHEL 9 0:0.158.0-2.el9_8 RHSA-2026:93617 Nov 3, 2026
opentelemetry-collector · almalinux 10 0.158.0-2.el10_2 ALSA-2026:93596 Nov 7, 2026
opentelemetry-collector · almalinux 9 0.158.0-2.el9_8 ALSA-2026:93617 Nov 7, 2026
opentelemetry-collector · rocky 10 0:0.158.0-2.el10_2 RLSA-2026:93596 Nov 7, 2026
opentelemetry-collector · rocky 9 0:0.158.0-2.el9_8 RLSA-2026:93617 Nov 7, 2026
osbuild-composer · RHEL 10 134.1-13.el10_0 RHSA-2026:91646 Oct 29, 2026
podman · RHEL 10 5.8.2-11.el10_2 RHSA-2026:88336 Oct 24, 2026
podman · almalinux 10 7:5.8.2-11.el10_2.alma.1 ALSA-2026:88336 Nov 7, 2026
podman · ol 10 7:5.8.2-11.0.1.el10_2 ELSA-2026-88336 Nov 7, 2026
podman · rocky 10 7:5.8.2-11.el10_2 RLSA-2026:88336 Nov 7, 2026
podman-docker · almalinux 10 7:5.8.2-11.el10_2.alma.1 ALSA-2026:88336 Nov 7, 2026
podman-docker · ol 10 7:5.8.2-11.0.1.el10_2 ELSA-2026-88336 Nov 7, 2026
podman-remote · almalinux 10 7:5.8.2-11.el10_2.alma.1 ALSA-2026:88336 Nov 7, 2026
podman-remote · ol 10 7:5.8.2-11.0.1.el10_2 ELSA-2026-88336 Nov 7, 2026
podman-tests · almalinux 10 7:5.8.2-11.el10_2.alma.1 ALSA-2026:88336 Nov 7, 2026
podman-tests · ol 10 7:5.8.2-11.0.1.el10_2 ELSA-2026-88336 Nov 7, 2026
receptor · RHEL 10 1.6.9-3.el10ap RHSA-2026:92622 Oct 30, 2026
rhc · RHEL 10 0.3.2-6.el10_0.2 RHSA-2026:89892 Oct 27, 2026
rhc · RHEL 8 1:0.2.5-13.el8_10 RHSA-2026:89741 Oct 27, 2026
rhc · RHEL 9 1:0.2.7-16.el9_8 RHSA-2026:89740 Oct 27, 2026
rhc-devel · RHEL 9 1:0.2.7-16.el9_8 RHSA-2026:89740 Oct 27, 2026
trivy · opensuse-leap 16.0 0.76.1-160000.1.1 OPENSUSE-SU-2026:22178-1 Nov 7, 2026
yggdrasil · RHEL 10 0.4.7-6.el10_0.1 RHSA-2026:91572 Oct 29, 2026
yggdrasil · almalinux 10 0.4.9.2-1.el10_2.4 ALSA-2026:91138 Nov 7, 2026
yggdrasil · ol 10 0:0.4.9.2-1.el10_2.4 ELSA-2026-91138 Nov 7, 2026
yggdrasil · rocky 10 0:0.4.9.2-1.el10_2.4 RLSA-2026:91138 Nov 7, 2026
yggdrasil-devel · almalinux 10 0.4.9.2-1.el10_2.4 ALSA-2026:91138 Nov 7, 2026
yggdrasil-devel · ol 10 0:0.4.9.2-1.el10_2.4 ELSA-2026-91138 Nov 7, 2026

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