{"id":"CVE-2020-29529","aliases":["GHSA-2g5j-5x95-r6hr","GO-2021-0094"],"url":"https://o3.security/vulnerability/CVE-2020-29529","summary":"Unsafe tar unpacking in HashiCorp go-slug","details":"HashiCorp go-slug up to 0.4.3 did not fully protect against directory traversal while unpacking tar archives, and protections could be bypassed with specific constructions of multiple symlinks. Fixed in 0.5.0.","published":"2020-12-03T20:15:11.820Z","modified":"2026-07-09T00:13:48.170201Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"Go","name":"github.com/hashicorp/go-slug","fixedVersion":"0.5.0"}],"fix":{"url":"https://github.com/hashicorp/go-slug/pull/12","label":"hashicorp/go-slug#12"},"references":[{"type":"ADVISORY","url":"https://github.com/hashicorp/go-slug/releases/tag/v0.5.0"},{"type":"FIX","url":"https://github.com/hashicorp/go-slug/compare/v0.4.3...v0.5.0"},{"type":"FIX","url":"https://github.com/hashicorp/go-slug/pull/12"},{"type":"EVIDENCE","url":"https://securitylab.github.com/advisories/GHSL-2020-262-zipslip-go-slug"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T00:13:48.170201Z"}}