Medium [CVE-2026-89090] Amazon AWS SDK for Go v2: Denial of Service via crafted event stream header
This medium-severity Red Hat Linux advisory covers CVE-2026-89090; related products: AWS Load Balancer Operator, cert-manager Operator for Red Hat OpenShift, Compliance Operator.
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Summary
Amazon AWS SDK for Go v2: Denial of Service via crafted event stream header. Red Hat rates this moderate (CVSS 5.9).
Weakness: CWE-248.
Affected products named by the advisory: AWS Load Balancer Operator; cert-manager Operator for Red Hat OpenShift; Compliance Operator; Confidential Compute Attestation; and 42 more.
Affected products named by the advisory: Cryostat 4; Custom Metric Autoscaler operator for Red Hat Openshift; DPU kit for NVIDIA; Exploit Intelligence; and 38 more.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 14 days ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 14 days ago·verify at source
Mitigation checklist
- Upgrade affected AWS SDK for Go v2 modules to the fixed releases published after 2026-03-23. There is no documented workaround.
Official advisory · high-confidence parse· fetched 14 days ago·verify at source
Discussion(0)
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