# httpx2 (PyPI) vulnerabilities

5 known vulnerabilities (2 high, 3 medium), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Weekly downloads: 95.3M
- Dependents: 61.6K
- Registry: https://pypi.org/project/httpx2/

## Advisories (5)

### [CVE-2026-84382](https://cve.now/CVE-2026-84382): HTTPX2: Streaming response decompression does not bound peak memory (decompression amplification)

- Severity: High 7.5
- Published: Sep 2, 2026
- Affected: fixed in 2.12.0.

### [CVE-2026-84381](https://cve.now/CVE-2026-84381): HTTPX2: Secure WebSocket traffic sent without TLS through SOCKS proxies

- Severity: High 8.1
- Published: Sep 2, 2026
- Affected: from 2.6.0, fixed in 2.10.0.

### [CVE-2026-84380](https://cve.now/CVE-2026-84380): HTTPX2: Conflicting Content-Length and Transfer-Encoding headers can be auto-generated

- Severity: Medium 5.6
- Published: Sep 2, 2026
- Affected: fixed in 2.11.0.

### [CVE-2026-84379](https://cve.now/CVE-2026-84379): HTTPX2: Multipart part header injection via unvalidated file Content-Type and custom headers

- Severity: Medium 5.3
- Published: Sep 2, 2026
- Affected: fixed in 2.11.0.

### [CVE-2026-84378](https://cve.now/CVE-2026-84378): HTTPX2: Quadratic SSE line buffering can cause CPU denial of service

- Severity: Medium 5.9
- Published: Sep 2, 2026
- Affected: from 2.5.0, fixed in 2.10.0.

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