9.1

CVE-2026-33210

Ruby JSON has a format string injection vulnerability

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Ruby-lang ≫ Json SwPlatformruby Version >= 2.14.0 < 2.15.2.1
Ruby-lang ≫ Json SwPlatformruby Version >= 2.16.0 < 2.17.1.2
Ruby-lang ≫ Json SwPlatformruby Version >= 2.18.0 < 2.19.2
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.84% 0.532
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 9.1 3.9 5.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
security-advisories@github.com 8.3 0 0
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
0b0ca135-0b70-47e7-9f44-1890c2a1c46c 9.1 3.9 5.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CWE-134 Use of Externally-Controlled Format String

The product uses a function that accepts a format string as an argument, but the format string originates from an external source.

https://github.com/ruby/json/security/advisories/GHSA-3m6g-2423-7cp3
Vendor Advisory
Mitigation
https://access.redhat.com/errata/RHSA-2026:20596
https://access.redhat.com/errata/RHSA-2026:20606
https://access.redhat.com/security/cve/CVE-2026-33210
https://bugzilla.redhat.com/show_bug.cgi?id=2449871
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-33210.json