{"action":"Upgrade urwid to 2.1.2-4+deb12u1 or later.","affected":[{"fixed":"2.1.2-4+deb12u1","introduced":"0"}],"component":"urwid","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["2.1.2-4+deb12u1"],"id":"tcs_01M5NWS4WBWYR3TXT6Q0PMKC3H","modified_at":"2026-10-01T03:03:46.252897222Z","published_at":"2026-07-18T14:17:12.170Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-9323","https://security-tracker.debian.org/tracker/CVE-2026-9323"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-9323","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-9323"}],"summary":"The urwid web display backend (urwid/display/web.py) generates web session identifiers (urwid_id) in Screen.start() by concatenating two random.randrange(10**9) calls that use Python's Mersenne Twiste"}