High7.5Red Hat Linux

High [CVE-2026-32283] Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages

This high-severity Red Hat Linux advisory covers CVE-2026-32283 affecting Cryostat 4 on RHEL 9, Red Hat Ansible Automation Platform 2.5 for RHEL 8, Red Hat Ansible Automation Platform 2.5 for RHEL 9.

CVE-2026-32283 Published Apr 8, 2026

CVE-2026-32283

Affected products & platforms

Red Hat LinuxUnclassified

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Summary

Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages. Red Hat rates this important (CVSS 7.5).

Weakness: CWE-764. Affected package(s): rhc, grafana-pcp, skopeo, host-metering, container-tools:rhel8, git-lfs.

Resolved in Red Hat advisory RHSA-2026:11507 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Cryostat 4 on RHEL 9; Red Hat Ansible Automation Platform 2.5 for RHEL 8; Red Hat Ansible Automation Platform 2.5 for RHEL 9; Red Hat Ansible Automation Platform 2.6 for RHEL 10; and 87 more.

Affected versions

rhc-1:0.2.5-7.el8_10
grafana-pcp-0:5.1.1-14.el9_7
grafana-pcp-0:5.1.1-14.el9_6
skopeo-2:1.22.2-2.el10_2
host-metering-0:1.4.0-7.el7_9
container-tools:rhel8-8060020260515174849.ad008a3a
git-lfs-0:3.4.1-10.el8_10
buildah-2:1.43.1-2.el9_8
yggdrasil-worker-forwarder-0:0.0.3-5.el9sat
git-lfs-0:3.7.1-4.el9_8
git-lfs-0:3.6.1-2.el9_6.4
etcd-0:3.4.26-9.5.el9ost

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

RHSA-2026:11507

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Update the affected package(s) to the fixed version shipped in RHSA-2026:11507 (`sudo dnf update` / `yum update`).

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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