Use After Free in Ruby Json
CVE-2026-71847
Ruby JSON is a JSON implementation for Ruby. From 2.20.0 until 2.21.2, Ruby's JSON native C extension clears the consumed JSON::ResumableParser input buffer but leaves state.start, state.cursor, and state.end pointing into released storage…
Vulnerability class: Use-After-Free
Affected products
- Ruby Json — versions >= 2.20.0, < 2.21.2
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)