{"schema_version":"1.9.0","id":"GHSA-w7rc-rwvf-8q5r","published":"2020-09-10T17:46:21Z","modified":"2026-07-08T06:00:29.567074454Z","aliases":["CVE-2020-15168"],"summary":"The `size` option isn't honored after following a redirect in node-fetch","details":"### Impact\nNode Fetch did not honor the `size` option after following a redirect, which means that when a content size was over the limit, a `FetchError` would never get thrown and the process would end without failure.\n\nFor most people, this fix will have a little or no impact. However, if you are relying on node-fetch to gate files above a size, the impact could be significant, for example: If you don't double-check the size of the data after `fetch()` has completed, your JS thread could get tied up doing work on a large file (DoS) and/or cost you money in computing.\n\n### Patches\nWe released patched versions for both stable and beta channels:\n\n- For `v2`: 2.6.1\n- For `v3`: 3.0.0-beta.9\n\n### Workarounds\nNone, it is strongly recommended to update as soon as possible.\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [node-fetch](https://github.com/node-fetch/node-fetch/issues/new?assignees=&labels=question&template=support-or-usage.md&title=Question%3A+)\n* Contact one of the core maintainers.","affected":[{"package":{"name":"node-fetch","ecosystem":"npm","purl":"pkg:npm/node-fetch"},"ranges":[{"type":"SEMVER","events":[{"introduced":"2.0.0"},{"fixed":"2.6.1"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2020/09/GHSA-w7rc-rwvf-8q5r/GHSA-w7rc-rwvf-8q5r.json"}},{"package":{"name":"node-fetch","ecosystem":"npm","purl":"pkg:npm/node-fetch"},"ranges":[{"type":"SEMVER","events":[{"introduced":"3.0.0-beta.1"},{"fixed":"3.0.0-beta.9"}]}],"database_specific":{"last_known_affected_version_range":"<= 3.0.0-beta.8","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2020/09/GHSA-w7rc-rwvf-8q5r/GHSA-w7rc-rwvf-8q5r.json"}}],"references":[{"type":"WEB","url":"https://github.com/node-fetch/node-fetch/security/advisories/GHSA-w7rc-rwvf-8q5r"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15168"},{"type":"WEB","url":"https://github.com/node-fetch/node-fetch/commit/2358a6c2563d1730a0cdaccc197c611949f6a334"},{"type":"WEB","url":"https://github.com/node-fetch/node-fetch/commit/eaff0094c4dfdd5b78711a8c4f1b61e33d282072"},{"type":"PACKAGE","url":"https://github.com/node-fetch/node-fetch"}],"database_specific":{"cwe_ids":["CWE-20","CWE-770"],"github_reviewed":true,"github_reviewed_at":"2020-09-10T17:44:09Z","nvd_published_at":null,"severity":"LOW"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:L"}]}