{"action":"Upgrade lwip to 2.2.1+dfsg1-8 or later.","affected":[{"fixed":"2.2.1+dfsg1-8","introduced":"0"}],"component":"lwip","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2.2.1+dfsg1-8"],"id":"tcs_01M5NWK2ZKRJB1MQ21DYBA0B87","modified_at":"2026-10-10T05:00:09.563604705Z","published_at":"2026-09-22T21:17:33.290Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-91018","https://security-tracker.debian.org/tracker/CVE-2026-91018"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-91018#Debian:14/lwip","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-91018"}],"summary":"lwIP (Lightweight IP) has a double free vulnerability, which could crash the system, cause a DoS, memory corruption, or allow code execution on the victim system."}