{"action":"Upgrade libsass to 3.5.4-1 or later.","affected":[{"fixed":"3.5.4-1","introduced":"0"}],"component":"libsass","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["3.5.4-1"],"id":"tcs_01M5NBYDH15GRCXTQJN8BTSPNN","modified_at":"2026-09-01T20:03:41.358283371Z","published_at":"2017-07-23T03:29:01.063Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2017-11556","https://security-tracker.debian.org/tracker/CVE-2017-11556"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2017-11556","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2017-11556"}],"summary":"There is a stack consumption vulnerability in the Parser::advanceToNextToken function in parser.cpp in LibSass 3.4.5. A crafted input may lead to remote denial of service."}