CVE-2025-27788

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
GitHub_MCNA
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA-ADPADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 30%
VendorProductVersion
ruby-langjavascript_object_notation
2.10.0 ≤
𝑥
< 2.10.2
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
ruby-json
bullseye
2.3.0+dfsg-1
fixed
bookworm
2.6.3+dfsg-1
fixed
sid
2.9.1+dfsg-1
fixed
trixie
2.9.1+dfsg-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
ruby-json
plucky
needs-triage
oracular
needs-triage
noble
needs-triage
jammy
needs-triage
focal
needs-triage
bionic
needs-triage
xenial
needs-triage
trusty
needs-triage
Common Weakness Enumeration
References
https://github.com/ruby/json/commit/c56db31f800d5d508389793e69682f99749dbadf
https://github.com/ruby/json/releases/tag/v2.10.2
https://github.com/ruby/json/security/advisories/GHSA-9m3q-rhmv-5q44