Review reviewHigh

CVE-2026-32283

Go standard library crypto/tls, Cryostat 4 on RHEL 9, Red Hat Ansible Automation Platform 2.5 for RHEL 8

If one side of the TLS connection sends multiple key update messages post-handshake in a single record, the connection can deadlock, causing uncontrolled consumption of resources. This can lead to a denial of service. This only affects TLS 1.3.

CVSS
7.5
EPSS
0.62%
46.4% percentile
CISA KEV
Not listed
Published
2026.04.08
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.62%
Technical severityCVSS 7.5

Vulnerability overview

If one side of the TLS connection sends multiple key update messages post-handshake in a single record, the connection can deadlock, causing uncontrolled consumption of resources. This can lead to a denial of service. This only affects TLS 1.3.

Affected product and versions

Product
Go standard library crypto/tls, Cryostat 4 on RHEL 9, Red Hat Ansible Automation Platform 2.5 for RHEL 8
Affected versions
< 1.25.9, >= 1.26.0-0 < 1.26.2, >= 1.26.0 < 1.26.2
Fixed versions
1.25.9, 1.26.2

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Go standard library crypto/tls, Cryostat 4 on RHEL 9, Red Hat Ansible Automation Platform 2.5 for RHEL 8 and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
CWE-764, CWE-770
CVE-2026-32283 — Go standard library crypto/tls, Cryostat 4 on RHEL 9, Red Hat Ansible Automation Platform 2.5 for RHEL 8 | SECUFOCUS NOW