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Oj: Use-After-Free in Oj::Parser SAJ Callback via Input Mutation

🗓️ 19 Jun 2026 19:36:54Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 11 Views

Oj parser use-after-free when SAJ callback mutates input, leaving a dangling C pointer.

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Detection
Refs
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GHSA-Q2GM-54R6-8FWM Oj: Use-After-Free in Oj::Parser SAJ Callback via Input Mutation
19 Jun 202619:36
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shawonruetruet_ojRange<3.17.2rubygems

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19 Jun 2026 19:36Current
6.1Medium risk
Vulners AI Score6.1
CVSS 42.1
EPSS0.00117
SSVC
11