ruby json vulnerabilities (CVE)

CVE records published for ruby json, newest first. Follow to get an email when a new one appears.

4 results
8.3High
CVE-2026-33210

Ruby JSON has a format string injection vulnerability

ruby json; Red Hat Red Hat Enterprise Linux 10; Red Hat Red Hat Enterprise Linux 9; Red Hat Red Hat Hardened Images

Ruby JSON is a JSON implementation for Ruby. From version 2.14.0 to before versions 2.15.2.1, 2.17.1.2, and 2.19.2, a format string injection vulnerability can lead to denial of service attacks or information disclosure, when the allow_duplicate_key: false pa…

7.5High
CVE-2025-27788

Ruby JSON Parser has Out-of-bounds Read

ruby json

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 …