Vulnerabilities of Red Hat Red Hat Advanced Cluster Security 4

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CVE	Summary	Score	Published
CVE-2026-42508	Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation	9.1 Critical	May 22, 2026
CVE-2026-39830	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-2025-56005	An undocumented and unsafe feature in the PLY (Python Lex-Yacc) library 3.11 allows Remote Code Execution (RCE) via…	9.8 Critical	Jan 20, 2026
CVE-2025-61686	React Router is a router for React	9.1 Critical	Jan 10, 2026
CVE-2025-68428	jsPDF is a library to generate PDFs in JavaScript	9.2 Critical	Jan 5, 2026