{"id":"CVE-2024-26141","aliases":["GHSA-xj5v-6v4g-jfw6"],"url":"https://o3.security/vulnerability/CVE-2024-26141","summary":"Possible DoS Vulnerability with Range Header in Rack","details":"# Possible DoS Vulnerability with Range Header in Rack\n\nThere is a possible DoS vulnerability relating to the Range request header in\nRack.  This vulnerability has been assigned the CVE identifier CVE-2024-26141.\n\nVersions Affected:  >= 1.3.0.\nNot affected:       < 1.3.0\nFixed Versions:     3.0.9.1, 2.2.8.1\n\nImpact\n------\nCarefully crafted Range headers can cause a server to respond with an\nunexpectedly large response. Responding with such large responses could lead\nto a denial of service issue.\n\nVulnerable applications will use the `Rack::File` middleware or the\n`Rack::Utils.byte_ranges` methods (this includes Rails applications).\n\nReleases\n--------\nThe fixed releases are available at the normal locations.\n\nWorkarounds\n-----------\nThere are no feasible workarounds for this issue.\n\nPatches\n-------\nTo aid users who aren't able to upgrade immediately we have provided patches for\nthe two supported release series. They are in git-am format and consist of a\nsingle changeset.\n\n* 3-0-range.patch - Patch for 3.0 series\n* 2-2-range.patch - Patch for 2.2 series\n\nCredits\n-------\n\nThank you [ooooooo_q](https://hackerone.com/ooooooo_q) for the report and\npatch","published":"2024-02-28T23:28:10.503Z","modified":"2026-08-12T03:51:16.160465718Z","cvss":{"score":5.8,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"RubyGems","name":"rack","fixedVersion":"3.0.9.1"},{"ecosystem":"RubyGems","name":"rack","fixedVersion":"2.2.8.1"}],"fix":{"url":"https://github.com/rack/rack/commit/4849132bef471adb21131980df745f4bb84de2d9","label":"rack/rack@4849132"},"references":[{"type":"WEB","url":"https://discuss.rubyonrails.org/t/possible-dos-vulnerability-with-range-header-in-rack/84944"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/04/msg00022.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/26xxx/CVE-2024-26141.json"},{"type":"ADVISORY","url":"https://github.com/rack/rack/security/advisories/GHSA-xj5v-6v4g-jfw6"},{"type":"ADVISORY","url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2024-26141.yml"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-26141"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20240510-0007/"},{"type":"FIX","url":"https://github.com/rack/rack/commit/4849132bef471adb21131980df745f4bb84de2d9"},{"type":"FIX","url":"https://github.com/rack/rack/commit/62457686b26d33a15a254c7768c2076e8e02b48b"},{"type":"PACKAGE","url":"https://github.com/rack/rack"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:16.160465718Z"}}