{"action":"Upgrade python-aiohttp to 3.13.5-1 or later.","affected":[{"fixed":"3.13.5-1","introduced":"0"}],"component":"python-aiohttp","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["3.13.5-1"],"id":"tcs_01M5NRSJP9VX1R3PA249Y738GJ","modified_at":"2026-11-01T00:00:11.099735064Z","published_at":"2026-04-01T21:17:00.333Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-34520","https://security-tracker.debian.org/tracker/CVE-2026-34520"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-34520#Debian:14/python-aiohttp","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-34520"}],"summary":"AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, the C parser (the default for most installs) accepted null bytes and control characters in resp"}