{"id":"CVE-2021-39893","aliases":["BIT-gitlab-2021-39893","EUVD-2021-26249","GHSA-mvf7-889j-9c49","UBUNTU-CVE-2021-39893"],"status":"published","title":"A potential DOS vulnerability was discovered in GitLab starting with version 9.1 that allowed...","description":"A potential DOS vulnerability was discovered in GitLab starting with version 9.1 that allowed parsing files without authorisation.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01265,"percentile":0.6997,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-862"],"published":"2021-10-05T12:18:22Z","modified":"2026-10-30T10:30:27Z","fixes":[{"ecosystem":"Bitnami","package":"gitlab","fixed_in":["14.1.7","14.2.5","14.3.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"gitlab","ranges":[{"type":"SEMVER","events":[{"introduced":"9.1.0"},{"fixed":"14.1.7"},{"introduced":"14.2.0"},{"fixed":"14.2.5"},{"introduced":"14.3.0"},{"fixed":"14.3.1"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"gitlab","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.4.3+dfsg-9","8.4.3+dfsg-12","8.5.8+dfsg-5"]}],"products":[{"vendor":"gitlab","product":"gitlab"}],"references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/340076","tags":["x_refsource_MISC","x_transferred","Broken Link","web","report"]},{"url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39893.json","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-39893","tags":["web"]},{"url":"https://github.com/advisories/GHSA-mvf7-889j-9c49"},{"url":"https://ubuntu.com/security/CVE-2021-39893","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-39893","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-39893","description":"A potential DOS vulnerability was discovered in GitLab starting with version 9.1 that allowed parsing files without authorisation.","status":"published","published":"2021-10-05T12:18:22Z","modified":"2024-08-04T02:20:33.763Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:09.540052Z"}],"euvd":[{"id":"EUVD-2021-26249","description":"A potential DOS 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