{"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_01M5NF0JRKY20SMPVRT2FR7NMS","modified_at":"2026-09-11T11:02:32.912269085Z","published_at":"2020-11-26T20:15:10.737Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-29129","https://security-tracker.debian.org/tracker/CVE-2020-29129"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-29129#Debian:12/qemu","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-29129"}],"summary":"ncsi.c in libslirp through 4.3.1 has a buffer over-read because it tries to read a certain amount of header data even if that exceeds the total packet length."}