{"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_01M5ND7T4959FMB0ENM6KKM7T5","modified_at":"2026-10-23T18:04:47.361190050Z","published_at":"2018-10-23T02:29:00.263Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-18584","https://security-tracker.debian.org/tracker/CVE-2018-18584"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-18584#Debian:13/libmspack","url":"https://osv.dev/vulnerability/DEBIAN-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."}