{"id":"CVE-2021-30139","aliases":["ALPINE-CVE-2021-30139","BELL-CVE-2021-30139","EUVD-2021-17076","GHSA-j8vp-8v7m-rpjr"],"status":"published","title":"In Alpine Linux apk-tools before 2.12.5, the tarball parser allows a buffer overflow and crash.","description":"In Alpine Linux apk-tools before 2.12.5, the tarball parser allows a buffer overflow and crash.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01618,"percentile":0.76363,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125"],"published":"2021-04-21T15:14:55Z","modified":"2026-10-23T17:17:56Z","fixes":[{"ecosystem":"Alpine:v3.10","package":"apk-tools","fixed_in":["2.10.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.11","package":"apk-tools","fixed_in":["2.10.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.12","package":"apk-tools","fixed_in":["2.10.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.13","package":"apk-tools","fixed_in":["2.12.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.14","package":"apk-tools","fixed_in":["2.12.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.15","package":"apk-tools","fixed_in":["2.12.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"apk-tools","fixed_in":["2.12.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"apk-tools","fixed_in":["2.12.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"apk-tools","fixed_in":["2.12.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"apk-tools","fixed_in":["2.12.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"apk-tools","fixed_in":["2.12.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"apk-tools","fixed_in":["2.12.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"apk-tools","fixed_in":["2.12.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"apk-tools","fixed_in":["2.12.5-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"apk-tools","fixed_in":["2.12.5-r0"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.10","package":"apk-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.0"},{"fixed":"2.10.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.11","package":"apk-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.0"},{"fixed":"2.10.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.12","package":"apk-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.0"},{"fixed":"2.10.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.13","package":"apk-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.0"},{"fixed":"2.12.5-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.14","package":"apk-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.0"},{"fixed":"2.12.5-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.15","package":"apk-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.0"},{"fixed":"2.12.5-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.16","package":"apk-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.0"},{"fixed":"2.12.5-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.17","package":"apk-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.0"},{"fixed":"2.12.5-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.18","package":"apk-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.0"},{"fixed":"2.12.5-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"apk-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.0"},{"fixed":"2.12.5-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"apk-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.0"},{"fixed":"2.12.5-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"apk-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.0"},{"fixed":"2.12.5-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"apk-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.0"},{"fixed":"2.12.5-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"apk-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.0"},{"fixed":"2.12.5-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"apk-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.12.0"},{"fixed":"2.12.5-r0"}]}]}],"products":[{"vendor":"alpinelinux","product":"apk-tools"}],"references":[{"url":"https://gitlab.alpinelinux.org/alpine/apk-tools/-/issues/10741","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://gitlab.alpinelinux.org/alpine/aports/-/issues/12606","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-30139"},{"url":"https://github.com/advisories/GHSA-j8vp-8v7m-rpjr"},{"url":"https://security.alpinelinux.org/vuln/CVE-2021-30139","tags":["advisory"]},{"url":"https://docs.bell-sw.com/security/cves/CVE-2021-30139","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2021-30139","description":"In Alpine Linux apk-tools before 2.12.5, the tarball parser allows a buffer overflow and crash.","status":"published","published":"2021-04-21T15:14:55Z","modified":"2024-08-03T22:24:59.75Z","updated_at":"2026-11-02T14:33:02.20241Z"}],"euvd":[{"id":"EUVD-2021-17076","description":"In Alpine Linux apk-tools before 2.12.5, the tarball parser allows a buffer overflow and 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crash.","status":"published","published":"2021-04-21T16:15:08.83Z","modified":"2026-06-17T03:49:43.98Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:06:52.03307Z"}],"osv":[{"id":"ALPINE-CVE-2021-30139","description":"In Alpine Linux apk-tools before 2.12.5, the tarball parser allows a buffer overflow and crash.","status":"published","published":"2021-04-21T16:15:08.83Z","modified":"2026-10-23T17:17:56.182214081Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:27:48.646074Z"},{"id":"BELL-CVE-2021-30139","title":"CVE-2021-30139 does not affect BellSoft software","status":"withdrawn","published":"2023-08-31T12:13:37.993922Z","modified":"2026-01-26T09:49:47.316732Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:28:15.925958Z"},{"id":"CVE-2021-30139","description":"In Alpine Linux apk-tools before 2.12.5, the tarball parser allows a buffer overflow and crash.","status":"published","published":"2021-04-21T16:15:08.83Z","modified":"2026-03-15T22:40:21.68Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:19.483607Z"}]}}