{"action":"Upgrade rack to 2.2.6.4 or later.","affected":[{"fixed":"2.2.6.4","introduced":"2.0.0"},{"fixed":"3.0.6.1","introduced":"3.0.0"}],"component":"rack","cve_ids":["CVE-2023-27539"],"ecosystem":"RubyGems","epss":0.01058,"exploited":false,"fixed_versions":["2.2.6.4","3.0.6.1"],"ghsa_id":"GHSA-c6qg-cjj8-47qp","id":"tcs_01M5KEJN1J3D3RX338BMAANHEG","modified_at":"2025-01-09T15:48:24.000056Z","published_at":"2023-03-15T21:36:02Z","references":["https://osv.dev/vulnerability/GHSA-c6qg-cjj8-47qp","https://nvd.nist.gov/vuln/detail/CVE-2023-27539","https://github.com/rack/rack/commit/231ef369ad0b542575fb36c74fcfcfabcf6c530c","https://github.com/rack/rack/commit/ee7919ea04303717858be1c3f16b406adc6d8cff","https://discuss.rubyonrails.org/t/cve-2023-27539-possible-denial-of-service-vulnerability-in-racks-header-parsing/82466","https://github.com/rack/rack","https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2023-27539.yml","https://lists.debian.org/debian-lts-announce/2023/04/msg00017.html","https://security.netapp.com/advisory/ntap-20231208-0016","https://www.debian.org/security/2023/dsa-5530"],"severity":{"label":"low"},"sources":[{"source":"osv","source_id":"GHSA-c6qg-cjj8-47qp","url":"https://osv.dev/vulnerability/GHSA-c6qg-cjj8-47qp"}],"summary":"Possible Denial of Service Vulnerability in Rack's header parsing"}