CVE-2026-84378
2 advisories.
PyPI/httpx2 CVE-2026-84378: medium 5.9
HTTPX2: Quadratic SSE line buffering can cause CPU denial of service
Action: Upgrade httpx2 to 2.10.0 or later.
pip install httpx2==2.10.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 2.5.0 | 2.10.0 | - |
Fixed versions
| 2.10.0 |
Sources
- osv: GHSA-f2fp-rgf2-35cp
- https://github.com/pydantic/httpx2/security/advisories/GHSA-f2fp-rgf2-35cp
- https://nvd.nist.gov/vuln/detail/CVE-2026-84378
- https://github.com/pydantic/httpx2/pull/1071
- https://github.com/pydantic/httpx2/pull/1117
- https://github.com/pydantic/httpx2/commit/cbfc0e04ef6507da29ccbb3b9c2e5b23dd693414
- https://github.com/pydantic/httpx2
- https://github.com/pydantic/httpx2/releases/tag/v2.10.0
CVE-2026-84378 · published · modified · JSON
PyPI/httpx2 CVE-2026-84378: medium 5.9
HTTPX2: Quadratic SSE line buffering can cause CPU denial of service
Action: Upgrade httpx2 to 2.10.0 or later.
pip install httpx2==2.10.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 2.5.0 | 2.10.0 | - |
Fixed versions
| 2.10.0 |
Sources
- osv: PYSEC-2026-3847
- https://github.com/pydantic/httpx2/security/advisories/GHSA-f2fp-rgf2-35cp
- https://nvd.nist.gov/vuln/detail/CVE-2026-84378
- https://github.com/pydantic/httpx2/pull/1071
- https://github.com/pydantic/httpx2/pull/1117
- https://github.com/pydantic/httpx2/commit/cbfc0e04ef6507da29ccbb3b9c2e5b23dd693414
- https://github.com/pydantic/httpx2
- https://github.com/pydantic/httpx2/releases/tag/v2.10.0
- https://pypi.org/project/httpx2
- https://github.com/advisories/GHSA-f2fp-rgf2-35cp
CVE-2026-84378 · published · modified · JSON