{"action":"Upgrade libsixel to 1.8.6-1 or later.","affected":[{"fixed":"1.8.6-1","introduced":"0"}],"component":"libsixel","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1.8.6-1"],"id":"tcs_01M5NE3DHV3KTRWAP3ZAREN3VB","modified_at":"2026-09-21T07:03:15.588777039Z","published_at":"2019-12-13T02:15:10.893Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-19777","https://security-tracker.debian.org/tracker/CVE-2019-19777"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-19777#Debian:13/libsixel","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-19777"}],"summary":"stb_image.h (aka the stb image loader) 2.23, as used in libsixel and other products, has a heap-based buffer over-read in stbi__load_main."}