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CVE-2025-27788

Good to know:

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Date: March 12, 2025

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.

Severity Score

Related Resources (7)

https://github.com/ruby/json/security/advisories/GHSA-9m3q-rhmv-5q44
https://github.com/ruby/json/releases/tag/v2.10.2
https://nvd.nist.gov/vuln/detail/CVE-2025-27788
https://github.com/ruby/json/commit/c56db31f800d5d508389793e69682f99749dbadf
https://github.com/ruby/json
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/json/CVE-2025-27788.yml
https://www.mend.io/vulnerability-database/CVE-2025-27788

Severity Score

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

Top Fix

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Upgrade to version json - 2.10.2

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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