{"action":"Upgrade github.com/containers/buildah to 1.16.8 or later.","affected":[{"fixed":"1.16.8","introduced":"0"},{"fixed":"1.17.2","introduced":"1.17.0"},{"fixed":"1.19.9","introduced":"1.18.0"},{"fixed":"1.21.3","introduced":"1.20.0"}],"component":"github.com/containers/buildah","cve_ids":["CVE-2021-3602"],"ecosystem":"Go","epss":0.00327,"exploited":false,"fixed_versions":["1.16.8","1.17.2","1.19.9","1.21.3"],"ghsa_id":"GHSA-7638-r9r3-rmjj","id":"tcs_01M5KF1EX1TGGXZ1MW4QCX8NNJ","modified_at":"2026-09-10T03:49:06.380243521Z","published_at":"2021-07-19T15:19:09Z","references":["https://osv.dev/vulnerability/GHSA-7638-r9r3-rmjj","https://github.com/containers/buildah/security/advisories/GHSA-7638-r9r3-rmjj","https://nvd.nist.gov/vuln/detail/CVE-2021-3602","https://github.com/containers/buildah/commit/a468ce0ffd347035d53ee0e26c205ef604097fb0","https://bugzilla.redhat.com/show_bug.cgi?id=1969264","https://github.com/containers/buildah","https://pkg.go.dev/vuln/GO-2022-0345","https://ubuntu.com/security/CVE-2021-3602"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"GHSA-7638-r9r3-rmjj","url":"https://osv.dev/vulnerability/GHSA-7638-r9r3-rmjj"}],"summary":"Buildah processes using chroot isolation may leak environment values to intermediate processes"}