{"action":"Upgrade firejail to 0.9.64.4-r0 or later.","affected":[{"fixed":"0.9.64.4-r0","introduced":"0"}],"component":"firejail","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.13","exploited":false,"fixed_versions":["0.9.64.4-r0"],"id":"tcs_01M6GQKC529YZFRBE6KKDZQS0N","modified_at":"2026-11-03T06:32:32.150158517Z","published_at":"2021-02-08T20:15:13.090Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-26910","https://security.alpinelinux.org/vuln/CVE-2021-26910"],"severity":{"label":"high","score":7},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-26910","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-26910"}],"summary":"Firejail before 0.9.64.4 allows attackers to bypass intended access restrictions because there is a TOCTOU race condition between a stat operation and an OverlayFS mount operation."}