{"action":"Upgrade python-matrix-nio to 0.20.0-1 or later.","affected":[{"fixed":"0.20.0-1","introduced":"0"}],"component":"python-matrix-nio","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["0.20.0-1"],"id":"tcs_01M5NGXBPSH73RFSK8H4DT04GX","modified_at":"2026-10-15T08:02:32.008947965Z","published_at":"2022-09-29T15:15:10.513Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2022-39254","https://security-tracker.debian.org/tracker/CVE-2022-39254"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2022-39254","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2022-39254"}],"summary":"matrix-nio is a Python Matrix client library, designed according to sans I/O principles. Prior to version 0.20, when a users requests a room key from their devices, the software correctly remember the"}