Vulnerabilities of Red Hat Red Hat Advanced Cluster Security for Kubernetes 4.9

Is your version affected?

CVE	Summary	Score	Published
CVE-2026-39821	The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label	9.6 Critical	May 22, 2026
CVE-2026-42508	Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation	9.1 Critical	May 22, 2026
CVE-2026-46595	Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of…	10.0 Critical	May 22, 2026
CVE-2026-39830	A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking the…	9.1 Critical	May 22, 2026
CVE-2026-39832	When adding a key to a remote agent constraint extensions such as restrict-destination-v00@openssh.com were not…	9.1 Critical	May 22, 2026
CVE-2026-33815	Memory-safety vulnerability in github.com/jackc/pgx/v5	9.8 Critical	Apr 7, 2026
CVE-2026-33816	Memory-safety vulnerability in github.com/jackc/pgx/v5	9.8 Critical	Apr 7, 2026
CVE-2026-33186	gRPC-Go is the Go language implementation of gRPC	9.1 Critical	Mar 20, 2026
CVE-2026-31938	jsPDF is a library to generate PDFs in JavaScript	9.6 Critical	Mar 18, 2026
CVE-2026-25896	fast-xml-parser allows users to validate XML, parse XML to JS object, or build XML from JS object without C/C++ based…	9.3 Critical	Feb 20, 2026
CVE-2025-68428	jsPDF is a library to generate PDFs in JavaScript	9.2 Critical	Jan 5, 2026