{"id":"CVE-2025-27788","aliases":["GHSA-9m3q-rhmv-5q44"],"url":"https://o3.security/vulnerability/CVE-2025-27788","summary":"Ruby JSON Parser has Out-of-bounds Read","details":"JSON is a JSON implementation for Ruby. Starting in version 2.10.0 and prior to version 2.10.2, a specially crafted document could cause an out of bound read, most likely resulting in a crash. Versions prior to 2.10.0 are not vulnerable. Version 2.10.2 fixes the problem. No known workarounds are available.","published":"2025-03-12T13:51:53.348Z","modified":"2026-08-08T03:48:12.485668996Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"RubyGems","name":"json","fixedVersion":"2.10.2"}],"fix":{"url":"https://github.com/ruby/json/commit/c56db31f800d5d508389793e69682f99749dbadf","label":"ruby/json@c56db31"},"references":[{"type":"WEB","url":"https://github.com/ruby/json/releases/tag/v2.10.2"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/27xxx/CVE-2025-27788.json"},{"type":"ADVISORY","url":"https://github.com/ruby/json/security/advisories/GHSA-9m3q-rhmv-5q44"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-27788"},{"type":"FIX","url":"https://github.com/ruby/json/commit/c56db31f800d5d508389793e69682f99749dbadf"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-08T03:48:12.485668996Z"}}