CVE-2025-13120 MEDIUM

CVE-2025-13120: mruby array.c sort_cmp use after free

Vendor N/A
Product mruby
Weakness CWE-416
Published November 13, 2025
Last update March 4, 2026
View on NVD All CVEs

CVSS base score

4.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability has been found in mruby up to 3.4.0. This vulnerability affects the function sort_cmp of the file src/array.c. Such manipulation leads to use after free. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The name of the patch is eb398971bfb43c38db3e04528b68ac9a7ce509bc. It is advisable to implement a patch to correct this issue.

Key dates

02Disclosure timeline

November 13, 2025 CVE published
March 4, 2026 Record updated