CVE-2026-33814
Vulnerability Summary
Timeline
Description
When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGS_MAX_FRAME_SIZE with a value of 0.
CVSS Metrics
- v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Trends
Current EPSS score: 0.78%• Percentile: 54%
Techniques & Countermeasures
- CWE-835•Loop with Unreachable Exit Condition ('Infinite Loop')
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.
- CWE-606•Unchecked Input for Loop Condition
The product does not properly check inputs that are used for loop conditions, potentially leading to a denial of service or other consequences because of excessive looping.
Affected Systems
- chainguard•aactl
< 0.4.12-r50 | < 0.4.12-r51
- chainguard•act
< 0.2.88-r2
- chainguard•actions-runner-controller
< 0.14.1-r1
- chainguard•actions-runner-controller-fips
< 0.14.1-r2 | < 0.14.1-r1
- chainguard•addon-resizer
< 1.8.23-r19 | < 1.8.23-r18
- chainguard•addon-resizer-fips
< 1.8.23-r18
- chainguard•age-fips
< 1.3.1-r7 | < 0
- chainguard•agentbeat
< 9.2.7-r7
- chainguard•agentbeat-fips
< 9.2.7-r7 | < 9.2.7-r8 | < 9.2.7-r6
- chainguard•amass
< 0
- chainguard•amazon-cloudwatch-agent
< 1.300067.0-r2 | < 1.300067.0-r3
- chainguard•amazon-cloudwatch-agent-amazon-cloudwatch-agent-config-wizard
< 0
- chainguard•amazon-cloudwatch-agent-amazon-cloudwatch-agent-config-wizard-fips
< 0
- chainguard•amazon-cloudwatch-agent-config-downloader
< 0
- chainguard•amazon-cloudwatch-agent-config-downloader-fips
< 0
- chainguard•amazon-cloudwatch-agent-config-translator
< 0
- chainguard•amazon-cloudwatch-agent-config-translator-fips
< 0
- chainguard•amazon-cloudwatch-agent-operator
< 3.4.2-r2 | < 3.4.2-r3
- chainguard•amazon-cloudwatch-agent-operator-fips
< 3.4.2-r1
- chainguard•amazon-cloudwatch-agent-start-amazon-cloudwatch-agent
< 0
- chainguard•amazon-cloudwatch-agent-start-amazon-cloudwatch-agent-fips
< 0
- chainguard•amazon-ecs-agent
< 0
- chainguard•amazon-ecs-agent-fips
< 0 | < 1.103.0-r0 | < 1.103.0-r1
- chainguard•amazon-ecs-cni-plugins-fips
< 0 | < 2024.9.0_git20260306-r2
- chainguard•amazon-eks-ami
< 0 | < 20260318-r5
- chainguard•amazon-eks-ami-fips
< 20260318-r3
- chainguard•amazon-k8s-cni
< 0 | < 1.21.1-r7 | < 1.21.1-r6
- chainguard•amazon-k8s-cni-fips
< 0 | < 1.21.1-r6
- chainguard•amazon-k8s-cni-init
< 1.21.1-r7
- chainguard•amazon-k8s-cni-init-fips
< 1.21.1-r6
- chainguard•amazon-k8s-cni-init-fips-compat
< 0 | < 1.21.1-r6
- chainguard•amazon-ssm-agent
< 3.3.3270.0-r14
- chainguard•amazon-ssm-agent-ecs-exec
< 3.3.3270.0-r14
- chainguard•amazon-ssm-agent-ecs-exec-fips
< 3.3.3270.0-r15 | < 3.3.3270.0-r16
- chainguard•amazon-ssm-agent-fips
< 3.3.3270.0-r16
- chainguard•amazon-vpc-cni-plugins-fips
< 0 | < 1.3_git20260307-r1
- chainguard•ansible-operator
< 1.42.2-r5 | < 1.42.2-r4 | < 1.42.2-r6
- chainguard•ansible-operator-fips
< 1.42.2-r6 | < 1.42.2-r5
- chainguard•apache-beam-java-11-sdk
< 0
- chainguard•apache-beam-java-17-sdk
< 0
- chainguard•apache-beam-java-21-sdk
< 0
- chainguard•apache-beam-python-3.11-sdk
< 0
- chainguard•apache-beam-python-3.12-sdk
< 0
- chainguard•apache-beam-python-3.13-sdk
< 0
- chainguard•apache-exporter
< 1.0.12-r6
- chainguard•apisix-ingress-controller
< 2.0.1-r13 | < 2.0.1-r12
- chainguard•apko
< 1.2.11-r2 | < 1.2.11-r1
- chainguard•apko-fips
< 1.2.10-r1 | < 1.2.10-r0
- chainguard•apm-server-8.19
< 8.19.15-r2 | < 8.19.15-r1
- chainguard•apm-server-9.1
all
Showing first 50 affected entries in server-rendered view.
References (80)
- https://go.dev/cl/761581
- https://go.dev/cl/761640
- https://go.dev/issue/78476
- https://groups.google.com/g/golang-announce/c/qcCIEXso47M
- https://pkg.go.dev/vuln/GO-2026-4918
- https://access.redhat.com/security/cve/CVE-2026-33814
- https://bugzilla.redhat.com/show_bug.cgi?id=2467815
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-33814.json
- https://access.redhat.com/errata/RHSA-2026:23262
- https://access.redhat.com/errata/RHSA-2026:23264
- https://access.redhat.com/errata/RHSA-2026:33120
- https://access.redhat.com/errata/RHSA-2026:33123
- https://access.redhat.com/errata/RHSA-2026:33142
- https://access.redhat.com/errata/RHSA-2026:33150
- https://access.redhat.com/errata/RHSA-2026:34342
- https://access.redhat.com/errata/RHSA-2026:37387
- https://access.redhat.com/errata/RHSA-2026:42644
- https://access.redhat.com/errata/RHSA-2026:43692
- https://access.redhat.com/errata/RHSA-2026:50205
- https://access.redhat.com/errata/RHSA-2026:54287
- https://access.redhat.com/errata/RHSA-2026:54284
- https://access.redhat.com/errata/RHSA-2026:54286
- https://access.redhat.com/errata/RHSA-2026:54285
- https://access.redhat.com/errata/RHSA-2026:54274
- https://access.redhat.com/errata/RHSA-2026:54283
- https://security-tracker.debian.org/tracker/CVE-2026-33814
- https://access.redhat.com/errata/RHSA-2026:57191
- https://access.redhat.com/errata/RHSA-2026:57194
- https://access.redhat.com/errata/RHSA-2026:57845
- https://access.redhat.com/errata/RHSA-2026:49702
- https://access.redhat.com/errata/RHSA-2026:22120
- https://access.redhat.com/errata/RHSA-2026:22112
- https://access.redhat.com/errata/RHSA-2026:57649
- https://access.redhat.com/errata/RHSA-2026:49712
- https://access.redhat.com/errata/RHSA-2026:22121
- https://access.redhat.com/errata/RHSA-2026:57545
- https://access.redhat.com/errata/RHSA-2026:57365
- https://access.redhat.com/errata/RHSA-2026:57367
- https://access.redhat.com/errata/RHSA-2026:56912
- https://access.redhat.com/errata/RHSA-2026:56854
- https://access.redhat.com/errata/RHSA-2026:57408
- https://access.redhat.com/errata/RHSA-2026:60520
- https://access.redhat.com/errata/RHSA-2026:61253
- https://access.redhat.com/errata/RHSA-2026:60668
- https://access.redhat.com/errata/RHSA-2026:60477
- https://access.redhat.com/errata/RHSA-2026:60478
- https://access.redhat.com/errata/RHSA-2026:60441
- https://access.redhat.com/errata/RHSA-2026:60442
- https://access.redhat.com/errata/RHSA-2026:60454
- https://access.redhat.com/errata/RHSA-2026:60446
- https://access.redhat.com/errata/RHSA-2026:60447
- https://access.redhat.com/security/updates/classification/#important
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_60668.json
- https://www.cve.org/CVERecord?id=CVE-2026-33814
- https://nvd.nist.gov/vuln/detail/CVE-2026-33814
- https://access.redhat.com/errata/RHSA-2026:59833
- https://access.redhat.com/errata/RHSA-2026:60025
- https://access.redhat.com/errata/RHSA-2026:60023
- https://pkg.go.dev
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33814.json
- https://access.redhat.com/errata/RHSA-2026:63637
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_63637.json
- https://access.redhat.com/errata/RHSA-2026:63639
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_63639.json
- https://access.redhat.com/errata/RHSA-2026:63091
- https://access.redhat.com/errata/RHSA-2026:63636
- https://access.redhat.com/errata/RHSA-2026:65126
- https://access.redhat.com/errata/RHSA-2026:63047
- https://access.redhat.com/errata/RHSA-2026:63104
- https://access.redhat.com/errata/RHSA-2026:63103
- https://access.redhat.com/errata/RHSA-2026:63048
- https://access.redhat.com/errata/RHSA-2026:63046
- https://access.redhat.com/errata/RHSA-2026:63096
- https://access.redhat.com/errata/RHSA-2026:63097
- https://access.redhat.com/errata/RHSA-2026:62550
- https://access.redhat.com/errata/RHSA-2026:62551
- https://access.redhat.com/errata/RHSA-2026:63050
- https://www.suse.com/security/cve/CVE-2026-33814
- https://access.redhat.com/errata/RHSA-2026:62410
- https://access.redhat.com/errata/RHSA-2026:66350