Red Hat Security AdvisoryRHSA-2026:74380
OpenShift Container Platform 4.20.41 bug fix and security update
Released 2026-10-06 · Red Hat rating Important · View on Red Hat →
Fixed in
- Red Hat OpenShift Container Platform 4.20 registry.redhat.io/openshift4/frr-rhel9, registry.redhat.io/openshift4/oc-mirror-plugin-rhel9, registry.redhat.io/openshift4/ose-agent-installer-ui-rhel9 +12
Fixes 7 records
Priority MEDIUM 47
The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label.
CVSS 3.1CRITICAL 9.6· Network · Low privileges · No interaction · EPSS 0.01834 · Published 2026-05-22 · Partial fix · 1.25.13, 1.26.6 +2 CWE-1289
Priority MEDIUM 40
A flaw was found in openshift/oauth-server.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00724 · Published 2026-09-01 · Fixed in 1791839120, 1791598539 +6 CWE-407
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
The RSA and DSA public key parsers did not enforce size limits on key parameters.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00467 · Published 2026-05-22 · Partial fix · 0.52.0 CWE-347
Priority LOW 36
nanoid (Nano ID) before 5.1.6 contains an infinite loop in the customAlphabet and customRandom functions.
CVSS 4.0HIGH 8.2· Network · No auth · No interaction · EPSS 0.00331 · Published 2026-07-29 · Partial fix · 3.3.17, 5.1.6 +1 CWE-835
Priority LOW 30
A flaw was found in oc-mirror.
CVSS 3.1HIGH 7.1· Adjacent network · No auth · No interaction · EPSS 0.00133 · Published 2026-10-01 · Partial fix · 1790828598, 1790778095 +3 CWE-306
Priority LOW 27
A flaw was found in oauth-proxy.
CVSS 3.1MEDIUM 6.1· Network · No auth · User interaction · EPSS 0.00384 · Published 2026-10-01 · Fixed in 1792974337, 1791837363 +7 CWE-601
THREATIST.IORead the docs