{"action":"Upgrade python3.11 to 3.11.2-6+deb12u9 or later.","affected":[{"fixed":"3.11.2-6+deb12u9","introduced":"0"}],"component":"python3.11","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["3.11.2-6+deb12u9"],"id":"tcs_01M5NQXP60NBKSDSSSXDDJJTE7","modified_at":"2026-10-23T18:04:04.735971618Z","published_at":"2026-09-30T17:16:45.880Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-19553","https://security-tracker.debian.org/tracker/CVE-2026-19553"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-19553#Debian:12/python3.11","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-19553"}],"summary":"ssl.SSLContext.wrap_bio() didn't require the server_hostname argument to not be None if ssl.SSLContext.check_hostname was set. Due to a missing parameter check in SSLObject, if the server_hostname arg"}