CVE-2025-27788
json: Ruby JSON Parser has Out-of-bounds Read
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · March 12, 2025
Updated · November 21, 2025
Description
A flaw was found in the JSON gem for Ruby. This vulnerability causes an out-of-bounds read via a specially crafted document, possibly resulting in a crash.
Statement
No Red Hat products are vulnerable to this CVE, as it does not affect the versions or configurations of the products used in its distributions.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-125 · Out-of-bounds Read