Red Hat Security AdvisoryRHSA-2026:54287
Red Hat OpenShift Workload Availability Operator v0.12.1 security update
Released 2026-08-12 · Red Hat rating Important · View on Red Hat →
Fixed in
- Red Hat OpenShift Workload Availability 0.12 registry.redhat.io/workload-availability/node-healthcheck-rhel9-operator
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
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 MEDIUM 40
When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00875 · Published 2026-05-07 · Partial fix · 1.25.10, 1.26.3 CWE-415
Priority LOW 27
Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree.
CVSS 3.1MEDIUM 6.1· Network · No auth · User interaction · EPSS 0.00223 · Published 2026-05-22 · Partial fix · 0.55.0 CWE-1021
Priority LOW 27
Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree.
CVSS 3.1MEDIUM 6.1· Network · No auth · User interaction · EPSS 0.00223 · Published 2026-05-22 · Partial fix · 0.55.0 CWE-1021
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