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Red Hat Security Advisory

RHSA-2026:17469

OpenShift Container Platform 4.20.23 security and extras update

Released 2026-05-20 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 6 records

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
TI-2026-27599 CVE-2026-35469 · GHSA-pc3f-x583-g7j2

SpdyStream: DOS on CRI

Priority MEDIUM 45

spdystream is a Go library for multiplexing streams over SPDY connections.

CVSS 4.0HIGH 8.7 Network No auth No interaction EPSS 0.00656 Published 2026-04-16 Partial fix · 0.5.1 CWE-770