Red Hat Security AdvisoryRHSA-2026:70617
OpenShift Container Platform 4.18.56 bug fix and security update
Released 2026-10-01 · Red Hat rating Important · View on Red Hat →
Fixed in
- Red Hat OpenShift Container Platform 4.18 registry.redhat.io/openshift4/aws-kms-encryption-provider-rhel9, registry.redhat.io/openshift4/azure-kms-encryption-provider-rhel9, registry.redhat.io/openshift4/azure-service-rhel9-operator +47
Fixes 12 records
Priority HIGH 77
linkify-it is a links recognition library with full Unicode support.
CVSS 4.0HIGH 8.7· Network · No auth · No interaction · EPSS 0.00394 · Published 2026-07-14 · Partial fix · 5.0.1 CWE-1333
Priority HIGH 75
ApostropheCMS is an open-source Node.js content management system, and sanitize-html provides a simple HTML sanitizer with a clear API.
CVSS 3.1CRITICAL 9.3· Network · No auth · User interaction · EPSS 0.00684 · Published 2026-06-12 · Partial fix · 2.17.4 CWE-79
Priority MEDIUM 47
A flaw was found in the OpenShift console.
CVSS 3.1CRITICAL 9.3· Network · No auth · No interaction · EPSS 0.00733 · Published 2026-09-18 · Fixed in 1790102793, 1791299243 +9 CWE-918
Priority MEDIUM 40
Handshake messages, such as KeyUpdate, are always considered as state-advancing, regardless of whether a handshake has been completed or not.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00568 · Published 2026-08-13 · Partial fix · 1.25.13, 1.26.6 +1 CWE-770
Priority MEDIUM 40
Previously, DecodeElement would reset the depth counter causing it to never fire; this could lead to stack exhaustion.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00568 · Published 2026-08-13 · Partial fix · 1.25.13, 1.26.6 +1 CWE-770
Priority MEDIUM 40
Enforce a recursion limit in Unmarshal to prevent stack exhaustion when parsing deeply-nested, recursive structures.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00568 · Published 2026-08-13 · Partial fix · 1.25.13, 1.26.6 +1 CWE-400
Priority MEDIUM 40
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 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.0084 · Published 2026-05-07 · Partial fix · 0.53.0, 1.25.10 +1 CWE-835
Priority LOW 39
A flaw was found in the OpenShift console.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00529 · Published 2026-09-23 · Fixed in 1790102793, 1791299243 +9 CWE-22
Priority LOW 39
An incorrectly placed cast from bytes to int allowed for server-side panic in the AES-GCM packet decoder for well-crafted inputs.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00473 · Published 2026-05-22 · Partial fix · 0.52.0 CWE-704
Priority LOW 38
A flaw was found in openshift/console.
CVSS 3.1HIGH 7.2· Network · No auth · No interaction · EPSS 0.00331 · Published 2026-09-23 · Fixed in 1789939565, 1789904865 +4 CWE-441
Priority LOW 27
Previously, resolving relative paths containing parent directory ('..') segments performed string conversions and buffer rewrites on each step, resulting in quadratic time complexity and high memory allocation overhead.
CVSS 3.1MEDIUM 5.9· Network · No auth · No interaction · EPSS 0.0055 · Published 2026-08-13 · Partial fix · 1.25.13, 1.26.6 +1 CWE-407
Priority LOW 27
Previously, pathological inputs could close an unescaped '/' early, allowing for attack-controlled data to inject arbitrary content, potentially leading to XSS.
CVSS 3.1MEDIUM 6.1· Network · No auth · User interaction · EPSS 0.0031 · Published 2026-08-13 · Partial fix · 1.25.13, 1.26.6 +1 CWE-79