{"action":"Upgrade python to 3.11.16 (3.11.x), 3.12.14 (3.12.x) or 3.13.14 (3.13.x) or later.","affected":[{"fixed":"3.11.16","introduced":"0"},{"fixed":"3.12.14","introduced":"3.12.0"},{"fixed":"3.13.14","introduced":"3.13.0"}],"component":"python","cve_ids":["CVE-2026-3298"],"ecosystem":"python","epss":0.00392,"exploited":false,"fixed_versions":["3.11.16","3.12.14","3.13.14"],"id":"tcs_01M5JTNXGFBP0652CV807AHPH3","modified_at":"2026-08-10T00:23:44Z","published_at":"2026-04-21T14:45:01Z","references":["https://github.com/psf/advisory-database/blob/main/advisories/python/PSF-2026-20.json","https://mail.python.org/archives/list/security-announce@python.org/thread/KWTPIQBOOOUNQP7UFSLBI437NJDFLA3F/","https://www.cve.org/CVERecord?id=CVE-2026-3298"],"severity":{"label":"high","score":8.8},"sources":[{"source":"python-runtime","source_id":"PSF-2026-20","url":"https://github.com/psf/advisory-database/blob/main/advisories/python/PSF-2026-20.json"}],"summary":"Out-of-bounds write in Windows asyncio.ProacterEventLoop.sock_recvfrom_into() when using nbytes"}