{"action":"Upgrade libslirp to 4.1.0-2 or later.","affected":[{"fixed":"4.1.0-2","introduced":"0"}],"component":"libslirp","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["4.1.0-2"],"id":"tcs_01M5NF7RVTEWXYTTS67D0P2HB4","modified_at":"2026-09-11T11:02:49.299852412Z","published_at":"2020-01-16T23:15:12.190Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-7039","https://security-tracker.debian.org/tracker/CVE-2020-7039"],"severity":{"label":"medium","score":5.6},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-7039#Debian:14/libslirp","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-7039"}],"summary":"tcp_emu in tcp_subr.c in libslirp 4.1.0, as used in QEMU 4.2.0, mismanages memory, as demonstrated by IRC DCC commands in EMU_IRC. This can cause a heap-based buffer overflow or other out-of-bounds ac"}