{"cve":"CVE-2021-27919","nvd":{"published":"2021-03-11T00:15:12.093","modified":"2026-06-17T03:45:37.090","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://groups.google.com/g/golang-announce/c/MfiLYjG-RAw","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2MU47VKTNXX33ZDLTI2ORRUY3KLJKU6G/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HM7U5JNS5WU66Q3S26PFIU2ITB2ATTQ4/","https://security.gentoo.org/glsa/202208-02","https://groups.google.com/g/golang-announce/c/MfiLYjG-RAw"],"products":["fedoraproject:fedora","golang:go"],"source":"nvd","synced_at":"2026-10-19T21:15:50.279857260+00:00"},"epss":{"cve":"CVE-2021-27919","score":0.01517,"percentile":0.74557,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GO-2021-0067","url":"https://osv.dev/vulnerability/GO-2021-0067","summary":"Panic when opening archives in archive/zip","modified":"2024-05-20T16:03:47Z","packages":[{"ecosystem":"Go","name":"stdlib","purl":"pkg:golang/stdlib","ranges":[">=1.16.0-0 <1.16.1"],"fixed":["1.16.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}