{"action":"Upgrade lwip to 2.1.3+dfsg1-1 or later.","affected":[{"fixed":"2.1.3+dfsg1-1","introduced":"0"}],"component":"lwip","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2.1.3+dfsg1-1"],"id":"tcs_01M5NET7RT78AXVTCGSVTF330S","modified_at":"2026-09-11T11:02:24.728669047Z","published_at":"2021-07-22T20:15:07.960Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-22284","https://security-tracker.debian.org/tracker/CVE-2020-22284"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-22284#Debian:14/lwip","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-22284"}],"summary":"A buffer overflow vulnerability in the zepif_linkoutput() function of Free Software Foundation lwIP git head version and version 2.1.2 allows attackers to access sensitive information via a crafted 6L"}