{"action":"Upgrade squashfs-tools to 4.5-r0 or later.","affected":[{"fixed":"4.5-r0","introduced":"0"}],"component":"squashfs-tools","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.11","exploited":false,"fixed_versions":["4.5-r0"],"id":"tcs_01M5NDE5DSQ78NHTYTQWHY1DBM","modified_at":"2026-10-23T17:17:56.209217558Z","published_at":"2021-08-27T15:15:09.657Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-40153","https://security.alpinelinux.org/vuln/CVE-2021-40153"],"severity":{"label":"high","score":8.1},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-40153","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-40153"}],"summary":"squashfs_opendir in unsquash-1.c in Squashfs-Tools 4.5 stores the filename in the directory entry; this is then used by unsquashfs to create the new file during the unsquash. The filename is not valid"}