by Kastro CVE-2026-33210
ruby json — Ruby JSON has a format string injection vulnerability
Description · from the CVE record
Ruby JSON is a JSON implementation for Ruby. From version 2.14.0 to before versions 2.15.2.1, 2.17.1.2, and 2.19.2, a format string injection vulnerability can lead to denial of service attacks or information disclosure, when the allow_duplicate_key: false parsing option is used to parse user supplied documents. This issue has been patched in versions 2.15.2.1, 2.17.1.2, and 2.19.2.
Affected
ProductAffectedFixed inSource
json>= 2.14.0, < 2.15.2.1–CNA
json>= 2.16.0, < 2.17.1.2–CNA
json>= 2.18.0, < 2.19.2–CNA
Red Hat Enterprise Linux 10see advisory0:4.0.3-34.el10_2redhat-SADP
Red Hat Enterprise Linux 9see advisory9080020260513131334.9redhat-SADP
Red Hat Hardened Imagessee advisory4.0.6-37.2.hum1redhat-SADP
Logging Subsystem for Red Hat OpenShiftsee advisory–redhat-SADP
Logging Subsystem for Red Hat OpenShiftsee advisory–redhat-SADP
Logging Subsystem for Red Hat OpenShiftsee advisory–redhat-SADP
Logging Subsystem for Red Hat OpenShiftsee advisory–redhat-SADP
Logging Subsystem for Red Hat OpenShiftsee advisory–redhat-SADP
Logging Subsystem for Red Hat OpenShiftsee advisory–redhat-SADP
Scores by source
NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
redhat-SADP (CNA)9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
GitHub_M (CNA)8.3CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: partial