{"action":"Upgrade qemu to 1:4.1-2 or later.","affected":[{"fixed":"1:4.1-2","introduced":"0"}],"component":"qemu","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1:4.1-2"],"id":"tcs_01M5NFSQ2S9AND0W7MXYJBRCYA","modified_at":"2026-10-23T18:03:27.549958174Z","published_at":"2021-06-15T21:15:09.677Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-3593","https://security-tracker.debian.org/tracker/CVE-2021-3593"],"severity":{"label":"low","score":3.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-3593#Debian:12/qemu","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-3593"}],"summary":"An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the udp6_input() function and could occur while processing a udp packet that is sma"}