{"id":"CVE-2023-22795","state":"PUBLISHED","title":"A regular expression based DoS vulnerability in Action Dispatch <6.1.7.1 and <7.0.4.1 related to the If-None-Match header. A specially crafted HTTP If-None-Match header can cause t","description":"A regular expression based DoS vulnerability in Action Dispatch <6.1.7.1 and <7.0.4.1 related to the If-None-Match header. A specially crafted HTTP If-None-Match header can cause the regular expression engine to enter a state of catastrophic backtracking, when on a version of Ruby below 3.2.0. This can cause the process to use large amounts of CPU and memory, leading to a possible DoS vulnerability All users running an affected release should either upgrade or use one of the workarounds immediately.","publishedAt":"2023-02-09T00:00:00.000Z","updatedAt":"2024-08-02T10:20:30.901Z","severity":null,"assigner":"hackerone","products":["n/a https://github.com/rails/rails"],"affected":[{"vendor":"n/a","product":"https://github.com/rails/rails","versions":[{"version":"6.1.7.1, 7.0.4.1","status":"affected"}]}],"references":["https://discuss.rubyonrails.org/t/cve-2023-22795-possible-redos-based-dos-vulnerability-in-action-dispatch/82118","https://www.debian.org/security/2023/dsa-5372","https://security.netapp.com/advisory/ntap-20240202-0010/"],"weaknesses":["CWE-400"],"ingestedAt":"2026-10-29T20:05:43.909Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/22xxx/CVE-2023-22795.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-22795","state":"PUBLISHED","datePublished":"2023-02-09T00:00:00.000Z","dateUpdated":"2024-08-02T10:20:30.901Z","assignerShortName":"hackerone","assignerOrgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","dateReserved":"2023-01-06T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A regular expression based DoS vulnerability in Action Dispatch <6.1.7.1 and <7.0.4.1 related to the If-None-Match header. A specially crafted HTTP If-None-Match header can cause the regular expression engine to enter a state of catastrophic backtracking, when on a version of Ruby below 3.2.0. This can cause the process to use large amounts of CPU and memory, leading to a possible DoS vulnerability All users running an affected release should either upgrade or use one of the workarounds immediately."}],"affected":[{"vendor":"n/a","product":"https://github.com/rails/rails","versions":[{"version":"6.1.7.1, 7.0.4.1","status":"affected"}]}],"references":[{"url":"https://discuss.rubyonrails.org/t/cve-2023-22795-possible-redos-based-dos-vulnerability-in-action-dispatch/82118"},{"url":"https://www.debian.org/security/2023/dsa-5372","name":"DSA-5372","tags":["vendor-advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20240202-0010/"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-400","type":"CWE","lang":"en","description":"Denial of Service (CWE-400)"}]}],"providerMetadata":{"shortName":"hackerone","orgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","dateUpdated":"2024-02-02T14:06:23.429Z"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://discuss.rubyonrails.org/t/cve-2023-22795-possible-redos-based-dos-vulnerability-in-action-dispatch/82118","tags":["x_transferred"]},{"url":"https://www.debian.org/security/2023/dsa-5372","name":"DSA-5372","tags":["vendor-advisory","x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20240202-0010/","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T10:20:30.901Z"}}]}}}