{"action":"Upgrade libmspack to 0.8_alpha-r0 or later.","affected":[{"fixed":"0.8_alpha-r0","introduced":"0"}],"component":"libmspack","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.9","exploited":false,"fixed_versions":["0.8_alpha-r0"],"id":"tcs_01M5NAJM3AZ7FMP9M8MAZDVFDC","modified_at":"2026-10-23T17:24:30.475056582Z","published_at":"2018-10-23T02:29:00.263Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2018-18584","https://security.alpinelinux.org/vuln/CVE-2018-18584"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2018-18584#Alpine:v3.9/libmspack","url":"https://osv.dev/vulnerability/ALPINE-CVE-2018-18584"}],"summary":"In mspack/cab.h in libmspack before 0.8alpha and cabextract before 1.8, the CAB block input buffer is one byte too small for the maximal Quantum block, leading to an out-of-bounds write."}