CVE-2026-27459
CVE-2026-27459: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityHigh8.1
High [CVE-2026-27459] DTLS cookie callback buffer overflow
CVE-2026-27459Source published
DTLS cookie callback buffer overflow. Red Hat rates this important (CVSS 8.1). Weakness: CWE-120. Affected package(s): pyopenssl-main, ansible-automation-platform, python3.12-pyOpenSSL, quay/quay-rhel8:1776752646, automation-controller, python-pyOpenSSL. Resolved in Red Hat advisory RHSA-2026:11916 — update the affected packages (`sudo dnf update`).
- Affected products in this advisory
- 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 9
- Red Hat Satellite 6.16 for RHEL 8
24 more entries in the full advisory.
- Source-reported affected versions
- pyopenssl-main-26.0.0-1.1.hum1
- ansible-automation-platform-25/ee-supported-rhel8:1777398315
- ansible-automation-platform-26/lightspeed-rhel9:1777387242
- python3.12-pyOpenSSL-0:26.0.0-2.el9pc
8 more entries in the full advisory.
- Source-reported fixed versions
- RHSA-2026:11916
- Mitigation guidance
- Update the affected package(s) to the fixed version shipped in RHSA-2026:11916 (`sudo dnf update` / `yum update`).
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