Red Hat Security AdvisoryRHSA-2026:56854
OpenShift Container Platform 4.16.69 bug fix and security update
Released 2026-08-26 · Red Hat rating Important · View on Red Hat →
Fixed in
- Red Hat OpenShift Container Platform 4.16 registry.redhat.io/openshift4/aws-kms-encryption-provider-rhel9, registry.redhat.io/openshift4/azure-kms-encryption-provider-rhel9, registry.redhat.io/openshift4/cloud-network-config-controller-rhel9 +47
Fixes 12 records
Priority MEDIUM 51
During session resumption in crypto/tls, if the underlying Config has its ClientCAs or RootCAs fields mutated between the initial handshake and the resumed handshake, the resumed handshake may succeed when it should have…
CVSS 3.1CRITICAL 10.0· Network · No auth · No interaction · EPSS 0.00902 · Published 2026-02-05 · Partial fix · 1.24.13, 1.25.7 +1 CWE-295
Priority MEDIUM 50
Arithmetic over induction variables in loops were not correctly checked for underflow or overflow.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00545 · Published 2026-04-08 · Partial fix · 1.25.9, 1.26.2
Priority MEDIUM 49
gRPC-Go is the Go language implementation of gRPC.
CVSS 3.1CRITICAL 9.1· Network · No auth · No interaction · EPSS 0.01619 · Published 2026-03-20 · Partial fix · 1.79.3 CWE-285
Priority MEDIUM 48
The fix for CVE-2021-23337 added validation for the variable option in _.template but did not apply the same validation to options.imports key names, and both paths flow into the same Function() constructor sink.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.02808 · Published 2026-03-31 · Partial fix · 4.18.1, 4.18.0 CWE-94
Priority MEDIUM 43
shell-quote's `quote()` function did not validate object-token inputs against the operator model used by `parse()`.
CVSS 4.0CRITICAL 9.2· Network · No auth · No interaction · EPSS 0.00793 · Published 2026-05-22 · Partial fix · 1.8.4 CWE-77
Priority MEDIUM 41
SWIG file names containing 'cgo' and well-crafted payloads could lead to code smuggling and arbitrary code execution at build time due to trust layer bypass.
CVSS 3.1HIGH 8.8· Network · No auth · User interaction · EPSS 0.0067 · Published 2026-04-08 · Partial fix · 1.25.9, 1.26.2 CWE-863
Priority MEDIUM 40
Pathological inputs could cause DoS through consumePhrase when parsing an email address according to RFC 5322.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00798 · Published 2026-05-07 · Partial fix · 1.25.10, 1.26.3
Priority MEDIUM 40
Well-crafted inputs reaching ParseAddress, ParseAddressList, and ParseDate were able to trigger excessive CPU exhaustion and memory allocations.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00784 · Published 2026-05-07 · Partial fix · 1.25.10, 1.26.3 CWE-770
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 33
A Server-Side Request Forgery and supply chain flaw was found in the OpenShift Console Helm catalog proxy.
CVSS 3.1HIGH 7.4· Network · Low privileges · No interaction · EPSS 0.00473 · Published 2026-08-11 · Fixed in 1786511587, 1786477760 +9 CWE-918
Priority LOW 33
An authenticated SSRF flaw was found in the OpenShift Console Dev Console webhook helpers.
CVSS 3.1HIGH 7.4· Network · Low privileges · No interaction · EPSS 0.00472 · Published 2026-08-11 · Fixed in 1787056403, 1787028559 +7 CWE-918
Priority LOW 31
The compiler is meant to unwrap pointers which are the operands of a memory move; a no-op interface conversion prevented the compiler from making the correct determination about non-overlapping moves, potentially leading…
CVSS 3.1HIGH 7.1· Local · Low privileges · No interaction · EPSS 0.00266 · Published 2026-04-08 · Partial fix · 1.25.9, 1.26.2 CWE-843