{"action":"Upgrade python-httpx2 to 2.12.0-1 or later.","affected":[{"fixed":"2.12.0-1","introduced":"0"}],"component":"python-httpx2","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2.12.0-1"],"id":"tcs_01M5NVYAQB5HBDW4CEZRA6YV5S","modified_at":"2026-10-01T03:03:37.334869523Z","published_at":"2026-09-02T18:21:29.153Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-84378","https://security-tracker.debian.org/tracker/CVE-2026-84378"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-84378","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-84378"}],"summary":"HTTPX2 is a next generation HTTP client for Python. From 2.5.0 until 2.10.0, the HTTPX2 Server-Sent Events parser in src/httpx2/httpx2/_sse.py repeatedly copies and rescans buffered text in _SSELineDe"}