{"attribution":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","cve":{"id":"CVE-2023-28756","sourceIdentifier":"cve@mitre.org","published":"2023-03-31T04:15:09.090","lastModified":"2026-06-17T05:48:42.103","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A ReDoS issue was discovered in the Time component through 0.2.1 in Ruby through 3.2.1. The Time parser mishandles invalid URLs that have specific characters. It causes an increase in execution time for parsing strings to Time objects. The fixed versions are 0.1.1 and 0.2.2."}],"affected":[{"source":"cve@mitre.org","affectedData":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW"},"exploitabilityScore":3.9,"impactScore":1.4}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2024-01-26T19:59:50.839606Z","id":"CVE-2023-28756","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-1333"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*","versionEndIncluding":"2.7.7","matchCriteriaId":"6AFF74E1-5365-4D53-9D5A-B61F9DF2BA6C"},{"vulnerable":true,"criteria":"cpe:2.3:a:ruby-lang:time:0.1.0:*:*:*:*:ruby:*:*","matchCriteriaId":"209A0CC6-4BC5-4794-B71A-3C7AC6C5AF91"},{"vulnerable":true,"criteria":"cpe:2.3:a:ruby-lang:time:0.2.1:*:*:*:*:ruby:*:*","matchCriteriaId":"AE1F88CA-F758-4984-B132-7C0E944D92D8"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","matchCriteriaId":"07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"},{"vulnerable":true,"criteria":"cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*","matchCriteriaId":"5C675112-476C-4D7C-BCB9-A2FB2D0BC9FD"},{"vulnerable":true,"criteria":"cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*","matchCriteriaId":"E30D0E6F-4AE8-4284-8716-991DFA48CC5D"},{"vulnerable":true,"criteria":"cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*","matchCriteriaId":"CC559B26-5DFC-4B7A-A27C-B77DE755DFF9"}]}]}],"references":[{"url":"https://github.com/ruby/time/releases/","source":"cve@mitre.org","tags":["Release 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