{"action":"Upgrade qemu to 1:7.0+dfsg-1 or later.","affected":[{"fixed":"1:7.0+dfsg-1","introduced":"0"}],"component":"qemu","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1:7.0+dfsg-1"],"id":"tcs_01M5NG0NS4MX1WSP7AE7G2X7GF","modified_at":"2026-10-23T18:05:23.128378735Z","published_at":"2022-04-29T17:15:20.100Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-4207","https://security-tracker.debian.org/tracker/CVE-2021-4207"],"severity":{"label":"high","score":8.2},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-4207","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-4207"}],"summary":"A flaw was found in the QXL display device emulation in QEMU. A double fetch of guest controlled values `cursor->header.width` and `cursor->header.height` can lead to the allocation of a small cursor"}