Use After Free Affecting mruby/mruby package, versions [0,]
Threat Intelligence
Exploit Maturity
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
Proof of Concept
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Test your applications- Snyk IDSNYK-UNMANAGED-MRUBYMRUBY-14038263
- published16 Nov 2025
- disclosed13 Nov 2025
- creditTim Becker
Introduced: 13 Nov 2025
NewCVE-2025-13120 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to Use After Free via the sort_cmp function in the array.c file. An attacker can execute arbitrary code or cause a denial of service by triggering use of memory after it has been freed.