Python-hyper H2 vulnerabilities

• python-hyper h2 h2: Duplicate Host header could facilitate request smuggling CVE-2026-71554 Public exploitFix available 5.3 MediumAugust 6, 2026
• python-hyper h2 h2 allows HTTP Request Smuggling due to illegal characters in headers CVE-2025-57804 Fix available 6.9 MediumAugust 25, 2025
• h2database h2, debian linux, oracle communications cloud native core policy +2 more RCE in H2 Console CVE-2021-42392 Public exploitFix available EPSS 83.2% 9.8 CriticalJanuary 6, 2022