{"id":"CVE-2021-29136","details":"Open Container Initiative umoci before 0.4.7 allows attackers to overwrite arbitrary host paths via a crafted image that causes symlink traversal when \"umoci unpack\" or \"umoci raw unpack\" is used.","aliases":["GHSA-9m95-8hx6-7p9v","GO-2022-0815"],"modified":"2026-04-16T00:02:23.722881846Z","published":"2021-04-06T16:15:16.520Z","related":["GHSA-9m95-8hx6-7p9v","SUSE-SU-2021:1116-1","SUSE-SU-2021:1863-1","SUSE-SU-2021:1863-2","openSUSE-SU-2021:0548-1","openSUSE-SU-2021:0810-1","openSUSE-SU-2021:0846-1","openSUSE-SU-2021:1863-1","openSUSE-SU-2024:11384-1","openSUSE-SU-2024:11482-1"],"references":[{"type":"ADVISORY","url":"https://github.com/opencontainers/umoci/security/advisories/GHSA-9m95-8hx6-7p9v"},{"type":"FIX","url":"http://www.openwall.com/lists/oss-security/2021/04/06/2"},{"type":"FIX","url":"https://github.com/opencontainers/umoci/commit/d9efc31daf2206f7d3fdb839863cf7a576a2eb57"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/opencontainers/umoci","events":[{"introduced":"0"},{"fixed":"17f38511d61846e2fb8ec01a1532f3ef5525e71d"},{"fixed":"d9efc31daf2206f7d3fdb839863cf7a576a2eb57"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"0.4.7"}],"source":["CPE_FIELD","REFERENCES"],"cpe":"cpe:2.3:a:linuxfoundation:umoci:*:*:*:*:*:*:*:*"}}],"versions":["v0.0.0","v0.0.0-rc1","v0.0.0-rc2","v0.0.0-rc3","v0.1.0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-29136.json"}},{"ranges":[{"type":"GIT","repo":"https://github.com/sylabs/singularity","events":[{"introduced":"0"},{"fixed":"6e59f31cb97ff59e323850aa1339a38a11358429"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"3.7.3"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:sylabs:singularity:*:*:*:*:*:*:*:*"}}],"versions":["1.0","2.0","2.1","2.1.1","2.1.2","2.2","2.3","2.3.1","2.3.2","2.4","v3.0.0","v3.0.0-alpha.1","v3.0.0-beta.1","v3.0.1","v3.1.0","v3.1.0-rc1","v3.1.0-rc2","v3.1.0-rc3","v3.1.0-rc4","v3.2.0-rc1","v3.3.0-rc.1","v3.4.0-rc.1","v3.7.0","v3.7.0-rc.1","v3.7.0-rc.2","v3.7.1","v3.7.2"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-29136.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"}]}