{"action":"Upgrade python3.13 to 3.13.5-2+deb13u3 or later.","affected":[{"fixed":"3.13.5-2+deb13u3","introduced":"0"}],"component":"python3.13","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["3.13.5-2+deb13u3"],"id":"tcs_01M5NRPHS68BPSP5B5PNAXMGZT","modified_at":"2026-10-08T09:00:08.000724404Z","published_at":"2026-06-03T16:16:29.253Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-3276","https://security-tracker.debian.org/tracker/CVE-2026-3276"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-3276#Debian:13/python3.13","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-3276"}],"summary":"unicodedata.normalize() can take excessive CPU time when processing specially crafted Unicode input containing long runs of combining characters with alternating Canonical Combining Class values. This"}