{"id":"CVE-2021-27919","aliases":["ALPINE-CVE-2021-27919","BELL-CVE-2021-27919","BIT-golang-2021-27919","EUVD-2021-14642","GHSA-v7gg-6p99-5jxq","GO-2021-0067","SUSE-SU-2021:0937-1","UBUNTU-CVE-2021-27919","openSUSE-SU-2024:10809-1"],"status":"published","title":"archive/zip in Go 1.16.x before 1.16.1 allows attackers to cause a denial of service (panic) upon...","description":"archive/zip in Go 1.16.x before 1.16.1 allows attackers to cause a denial of service (panic) upon attempted use of the Reader.Open API for a ZIP archive in which ../ occurs at the beginning of any filename.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.01517,"percentile":0.74916,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-03-11T00:00:13Z","modified":"2026-11-03T06:32:27Z","fixes":[{"ecosystem":"Alpine:v3.13","package":"go","fixed_in":["1.15.10-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.14","package":"go","fixed_in":["1.16.2-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.15","package":"go","fixed_in":["1.16.2-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"go","fixed_in":["1.16.2-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"go","fixed_in":["1.16.2-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"go","fixed_in":["1.16.2-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"go","fixed_in":["1.16.2-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"go","fixed_in":["1.16.2-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"go","fixed_in":["1.16.2-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"go","fixed_in":["1.16.2-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"go","fixed_in":["1.16.2-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"go","fixed_in":["1.16.2-r0"],"sources":["osv"]},{"ecosystem":"Bitnami","package":"golang","fixed_in":["1.16.1"],"sources":["osv"]},{"ecosystem":"Go","package":"stdlib","fixed_in":["1.16.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.13","package":"go","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.16.0"},{"fixed":"1.15.10-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.14","package":"go","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.16.0"},{"fixed":"1.16.2-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.15","package":"go","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.16.0"},{"fixed":"1.16.2-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.16","package":"go","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.16.0"},{"fixed":"1.16.2-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.17","package":"go","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.16.0"},{"fixed":"1.16.2-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.18","package":"go","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.16.0"},{"fixed":"1.16.2-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"go","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.16.0"},{"fixed":"1.16.2-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"go","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.16.0"},{"fixed":"1.16.2-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"go","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.16.0"},{"fixed":"1.16.2-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"go","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.16.0"},{"fixed":"1.16.2-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"go","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.16.0"},{"fixed":"1.16.2-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"go","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.16.0"},{"fixed":"1.16.2-r0"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"golang","ranges":[{"type":"SEMVER","events":[{"introduced":"1.16.0"},{"fixed":"1.16.1"}]}]},{"source":"osv","ecosystem":"Go","package":"stdlib","ranges":[{"type":"SEMVER","events":[{"introduced":"1.16.0-0"},{"fixed":"1.16.1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux 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List","Vendor Advisory","advisory","report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2MU47VKTNXX33ZDLTI2ORRUY3KLJKU6G/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HM7U5JNS5WU66Q3S26PFIU2ITB2ATTQ4/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://security.gentoo.org/glsa/202208-02","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-27919","tags":["web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2MU47VKTNXX33ZDLTI2ORRUY3KLJKU6G/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HM7U5JNS5WU66Q3S26PFIU2ITB2ATTQ4/"},{"url":"https://github.com/advisories/GHSA-v7gg-6p99-5jxq"},{"url":"https://security.alpinelinux.org/vuln/CVE-2021-27919","tags":["advisory"]},{"url":"https://docs.bell-sw.com/security/cves/CVE-2021-27919","tags":["advisory"]},{"url":"https://go.dev/cl/300489","tags":["fix"]},{"url":"https://go.googlesource.com/go/+/cd3b4ca9f20fd14187ed4cdfdee1a02ea87e5cd8","tags":["fix"]},{"url":"https://go.dev/issue/44916","tags":["report"]},{"url":"https://groups.google.com/g/golang-announce/c/MfiLYjG-RAw/m/zzhWj5jPAQAJ","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2021/suse-su-20210937-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1182345","tags":["report"]},{"url":"https://bugzilla.suse.com/1183333","tags":["report"]},{"url":"https://bugzilla.suse.com/1183334","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2021-27918","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-27919","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2021-27919","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-27919","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2021-31525","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-33195","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-33196","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-33197","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-33198","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-34558","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-36221","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-39293","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2021-27919","description":"archive/zip in Go 1.16.x before 1.16.1 allows attackers to cause a denial of service (panic) upon attempted use of the Reader.Open API for a ZIP archive in which ../ occurs at the beginning of any filename.","status":"published","published":"2021-03-11T00:00:13Z","modified":"2024-08-03T21:33:17.224Z","updated_at":"2026-11-02T14:33:04.360272Z"}],"euvd":[{"id":"EUVD-2021-14642","description":"archive/zip in Go 1.16.x before 1.16.1 allows attackers to cause a denial of service (panic) upon attempted use of the Reader.Open API for a ZIP archive in which ../ occurs at the beginning of any filename.","status":"published","published":"2021-03-11T00:00:13Z","modified":"2024-08-03T21:33:17Z","updated_at":"2026-11-03T03:24:47.80549Z"}],"ghsa":[{"id":"GHSA-v7gg-6p99-5jxq","title":"archive/zip in Go 1.16.x before 1.16.1 allows attackers to cause a denial of service (panic) upon...","description":"archive/zip in Go 1.16.x before 1.16.1 allows attackers to cause a denial of service (panic) upon attempted use of the Reader.Open API for a ZIP archive in which ../ occurs at the beginning of any filename.","status":"published","published":"2022-05-24T17:44:26Z","modified":"2023-01-27T05:03:12Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T14:42:11.706998Z"}],"nvd":[{"id":"CVE-2021-27919","description":"archive/zip in Go 1.16.x before 1.16.1 allows attackers to cause a denial of service (panic) upon attempted use of the Reader.Open API for a ZIP archive in which ../ occurs at the beginning of any filename.","status":"published","published":"2021-03-11T00:15:12.093Z","modified":"2026-06-17T03:45:37.09Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:50.805771Z"}],"osv":[{"id":"ALPINE-CVE-2021-27919","description":"archive/zip in Go 1.16.x before 1.16.1 allows attackers to cause a denial of service (panic) upon attempted use of the Reader.Open API for a ZIP archive in which ../ occurs at the beginning of any filename.","status":"published","published":"2021-03-11T00:15:12.093Z","modified":"2026-11-03T06:32:27.793292867Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T07:17:41.158523Z"},{"id":"BELL-CVE-2021-27919","title":"CVE-2021-27919 does not affect BellSoft software","status":"withdrawn","published":"2023-08-31T12:16:29.790311Z","modified":"2026-01-26T09:48:38.135395Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:28:15.925958Z"},{"id":"CVE-2021-27919","description":"archive/zip in Go 1.16.x before 1.16.1 allows attackers to cause a denial of service (panic) upon attempted use of the Reader.Open API for a ZIP archive in which ../ occurs at the beginning of any filename.","status":"published","published":"2021-03-11T00:15:12.093Z","modified":"2026-10-24T10:31:03.846348904Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:19.129331Z"},{"id":"UBUNTU-CVE-2021-27919","description":"archive/zip in Go 1.16.x before 1.16.1 allows attackers to cause a denial of service (panic) upon attempted use of the Reader.Open API for a ZIP archive in which ../ occurs at the beginning of any filename.","status":"published","published":"2021-03-11T00:15:00Z","modified":"2025-10-24T04:50:12Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:26.779273Z"},{"id":"BIT-golang-2021-27919","description":"archive/zip in Go 1.16.x before 1.16.1 allows attackers to cause a denial of service (panic) upon attempted use of the Reader.Open API for a ZIP archive in which ../ occurs at the beginning of any filename.","status":"published","published":"2024-03-06T11:06:19.2Z","modified":"2026-09-08T08:47:46.694685579Z","updated_at":"2026-11-02T15:28:30.70064Z"},{"id":"GO-2021-0067","title":"Panic when opening archives in archive/zip","description":"Using Reader.Open on an archive containing a file with a path prefixed by \"../\" will cause a panic due to a stack overflow. If parsing user supplied archives, this may be used as a denial of service vector.","status":"published","published":"2021-04-14T20:04:52Z","modified":"2024-05-20T16:03:47Z","updated_at":"2026-11-02T15:47:00.604718Z"},{"id":"openSUSE-SU-2024:10809-1","title":"go1.16-1.16.8-1.1 on GA media","description":"These are all security issues fixed in the go1.16-1.16.8-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T04:16:42.475775Z","updated_at":"2026-11-02T16:58:34.487567Z"},{"id":"SUSE-SU-2021:0937-1","title":"Security update for go1.16","description":"This update for go1.16 fixes the following issues:\n\n- go1.16.2 (released 2021-03-11) (bsc#1182345) \n- go1.16.1 (released 2021-03-10) (bsc#1182345) \n  - CVE-2021-27918: Fixed an infinite loop when using xml.NewTokenDecoder with a custom TokenReader (bsc#1183333).\n  - CVE-2021-27919: Fixed an issue where archive/zip: can panic when calling Reader.Open (bsc#1183334).\n","status":"published","published":"2021-03-24T11:22:26Z","modified":"2026-02-04T04:18:34.279907Z","updated_at":"2026-11-02T15:53:48.690034Z"}]}}