ADVISORIES

• CVE-2025-27788 (NVD)
• GHSA-9m3q-rhmv-5q44
• Vendor Advisory

GEM

json

SEVERITY

CVSS v3.x: 7.5 (High)

UNAFFECTED VERSIONS

• < 2.10.0

PATCHED VERSIONS

• >= 2.10.2

DESCRIPTION

Impact

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.

Patches

Version 2.10.2 fixes the problem.

Workarounds

None.

RELATED

• https://nvd.nist.gov/vuln/detail/CVE-2025-27788
• https://github.com/ruby/json/security/advisories/GHSA-9m3q-rhmv-5q44
• https://github.com/ruby/json/releases/tag/v2.10.2
• https://github.com/ruby/json/commit/c56db31f800d5d508389793e69682f99749dbadf
• https://github.com/advisories/GHSA-9m3q-rhmv-5q44