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Vulnerabilities of Red Hat Red Hat Ceph Storage 8

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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-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

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