CVE-2025-27788: Out-of-bounds Read in Ruby JSON Parser
(updated )
A specially crafted document could cause an out of bound read, most likely resulting in a crash.
Versions 2.10.0 and 2.10.1 are impacted. Older versions are not.
References
- github.com/advisories/GHSA-9m3q-rhmv-5q44
- github.com/ruby/json
- github.com/ruby/json/commit/c56db31f800d5d508389793e69682f99749dbadf
- github.com/ruby/json/releases/tag/v2.10.2
- github.com/ruby/json/security/advisories/GHSA-9m3q-rhmv-5q44
- github.com/rubysec/ruby-advisory-db/blob/master/gems/json/CVE-2025-27788.yml
- nvd.nist.gov/vuln/detail/CVE-2025-27788
Code Behaviors & Features
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