{"cve":"CVE-2023-28755","nvd":{"published":"2023-03-31T04:15:09.037","modified":"2026-06-17T05:48:41.883","status":"Modified","description":"A ReDoS issue was discovered in the URI component through 0.12.0 in Ruby through 3.2.1. The URI parser mishandles invalid URLs that have specific characters. It causes an increase in execution time for parsing strings to URI objects. The fixed versions are 0.12.1, 0.11.1, 0.10.2 and 0.10.0.1.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","score":5.3},"cwes":["CWE-1333"],"references":["https://github.com/ruby/uri/releases/","https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/27LUWREIFTP3MQAW7QE4PJM4DPAQJWXF/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FFZANOQA4RYX7XCB42OO3P24DQKWHEKA/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G76GZG3RAGYF4P75YY7J7TGYAU7Z5E2T/"],"products":["debian:debian_linux","fedoraproject:fedora","ruby-lang:uri"],"source":"nvd","synced_at":"2026-10-19T21:37:48.383111019+00:00"},"epss":{"cve":"CVE-2023-28755","score":0.02637,"percentile":0.85565,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-hv5j-3h9f-99c2","url":"https://osv.dev/vulnerability/GHSA-hv5j-3h9f-99c2","summary":"Ruby URI component ReDoS issue","modified":"2026-09-10T03:49:53.056577915Z","packages":[{"ecosystem":"RubyGems","name":"uri","purl":"pkg:gem/uri","ranges":[">=0.12.0 <0.12.1"],"fixed":["0.12.1"]},{"ecosystem":"RubyGems","name":"uri","purl":"pkg:gem/uri","ranges":[">=0.11.0 <0.11.1"],"fixed":["0.11.1"]},{"ecosystem":"RubyGems","name":"uri","purl":"pkg:gem/uri","ranges":[">=0.10.1 <0.10.2"],"fixed":["0.10.2"]},{"ecosystem":"RubyGems","name":"uri","purl":"pkg:gem/uri","ranges":["<0.10.0.1"],"fixed":["0.10.0.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}