In versions of mruby up to and including 1.4.0, a use-after-free vulnerability exists in src/io.c::File#initilialize_copy(). An attacker that can cause Ruby code to be run can possibly use this to execute arbitrary code.
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Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-14. NVD baseline CVSS 9.8; sources differ by 0.0.
In versions of mruby up to and including 1.4.0, a use-after-free vulnerability exists in src/io.c::File#initilialize_copy(). An attacker that can cause Ruby code to be run can possibly use this to execute arbitrary code.
April 18, 2018
November 21, 2024
Fix landed in mruby/mruby commit b51b21fc63c9 — awaiting tagged release
https://github.com/mruby/mruby/commit/b51b21fc63c9805862322551387d9036f2b63433MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
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CWE-416