{"action":"Upgrade libslirp to 4.8.0-1+deb13u1 or later.","affected":[{"fixed":"4.8.0-1+deb13u1","introduced":"0"}],"component":"libslirp","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["4.8.0-1+deb13u1"],"id":"tcs_01M5NX12SY7H7T9SPHKA7VZX24","modified_at":"2026-10-26T11:47:37.398293481Z","published_at":"2026-06-24T05:17:31.100Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-9539","https://security-tracker.debian.org/tracker/CVE-2026-9539"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-9539#Debian:13/libslirp","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-9539"}],"summary":"An out-of-bounds heap read and integer underflow in the TCP urgent data handling (sosendoob) in freedesktop.org libslirp version before v4.9.2 on hypervisor host environments (e.g., QEMU) allows a pri"}