Vulnerabilities of Red Hat Red Hat OpenStack Platform 17.1

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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-2026-33186	gRPC-Go is the Go language implementation of gRPC	9.1 Critical	Mar 20, 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-2026-22797	An issue was discovered in OpenStack keystonemiddleware 10.5 through 10.7 before 10.7.2, 10.8 and 10.9 before 10.9.1,…	9.9 Critical	Jan 19, 2026