CVE-2025-27788

Ruby JSON Parser has Out-of-bounds Read

State: Published
Severity: 7.5 High
Published: Mar 12, 2025
Updated: Mar 12, 2025
Reserved: Mar 6, 2025

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	GitHub_M

Weaknesses

CWE-125 Out-of-bounds Read

Affected Products

Product	Versions
jsonruby	>= 2.10.0, < 2.10.2Affected

References

https://github.com/ruby/json/security/advisories/GHSA-9m3q-rhmv-5q44
https://github.com/ruby/json/commit/c56db31f800d5d508389793e69682f99749dbadf
https://github.com/ruby/json/releases/tag/v2.10.2

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