{"action":"Upgrade libmspack to 0.8-1 or later.","affected":[{"fixed":"0.8-1","introduced":"0"}],"component":"libmspack","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["0.8-1"],"id":"tcs_01M5ND7TSD31MCB8HJKYT2S2SR","modified_at":"2026-10-23T18:02:28.961211230Z","published_at":"2018-10-23T02:29:00.700Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-18586","https://security-tracker.debian.org/tracker/CVE-2018-18586"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-18586#Debian:13/libmspack","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2018-18586"}],"summary":"chmextract.c in the chmextract sample program, as distributed with libmspack before 0.8alpha, does not protect against absolute/relative pathnames in CHM files, leading to Directory Traversal. NOTE: t"}