Ruby JSON has a format string injection vulnerability
### Impact A format string injection vulnerability than that 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 option isn't the default, if you didn't opt-in to use it, you are not impacted. ### Patches Patched in `2.19.2`. ### Workarounds The issue can be avoided by not using the `allow_duplicate_key: false` parsing option.
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beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-33210US | critical9.1 | — | ||
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 se… | ||||
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Referenzen
Externe Belege — Patches, Meldungen, Analysen.
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