httpx2 vulnerabilities

Browse known CVEs and advisories by package and ecosystem. Severity tells you the worst case. What determines real risk is whether the vulnerable code actually runs in your applications.

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CVE-IDSeverityPackage summary

CVE-2026-84382Highhttpx2: HTTPX2: Streaming response decompression does not bound peak memory (decompression amplification)CVE-2026-84380Mediumhttpx2: HTTPX2: Conflicting Content-Length and Transfer-Encoding headers can be auto-generated CVE-2026-84379Mediumhttpx2: HTTPX2: Multipart part header injection via unvalidated file Content-Type and custom headers CVE-2026-84378Mediumhttpx2: HTTPX2: Quadratic SSE line buffering can cause CPU denial of service CVE-2026-84381Highhttpcore2: HTTPX2: Secure WebSocket traffic sent without TLS through SOCKS proxies

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