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High severity7.5NVD Advisory· Published Apr 28, 2020· Updated Jun 17, 2026

CVE-2020-10663

CVE-2020-10663

Description

The JSON gem through 2.2.0 for Ruby, as used in Ruby 2.4 through 2.4.9, 2.5 through 2.5.7, and 2.6 through 2.6.5, has an Unsafe Object Creation Vulnerability. This is quite similar to CVE-2013-0269, but does not rely on poor garbage-collection behavior within Ruby. Specifically, use of JSON parsing methods can lead to creation of a malicious object within the interpreter, with adverse effects that are application-dependent.

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Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
jsonRubyGems
< 2.3.02.3.0

Affected products

252

Patches

Vulnerability mechanics

References

37

News mentions

0

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