{"action":"Upgrade edk2 to 2020.11-1 or later.","affected":[{"fixed":"2020.11-1","introduced":"0"}],"component":"edk2","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["2020.11-1"],"id":"tcs_01M5NFH71FX3P67GHKBP2M8RZ1","modified_at":"2026-10-23T18:03:36.975264317Z","published_at":"2021-06-11T16:15:12.503Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-28211","https://security-tracker.debian.org/tracker/CVE-2021-28211"],"severity":{"label":"medium","score":6.7},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-28211#Debian:13/edk2","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-28211"}],"summary":"A heap overflow in LzmaUefiDecompressGetInfo function in EDK II."}