CVE-2025-13120

Name: CVE-2025-13120
Creator: NVD / NIST
Published: 2025-11-13T16:15:51.1+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 1.9/10EPSS 0.13%

Last modified Jun 17, 2026

CVE-2025-13120 is a low-severity vulnerability rated 1.9/10 on the CVSS scale. 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. EPSS estimates a 0.13% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS 4.0

1.9/10

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.13%

2.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Mruby	Mruby	<= 3.4.0

References

https://github.com/makesoftwaresafe/mruby/pull/263Issue Tracking
https://github.com/mruby/mruby/
https://github.com/mruby/mruby/commit/eb398971bfb43c38db3e04528b68ac9a7ce509bcPatch
https://github.com/mruby/mruby/issues/6649Issue Tracking, Vendor Advisory
https://github.com/mruby/mruby/issues/6649#issue-3534393003Issue Tracking, Vendor Advisory
https://vuldb.com/?ctiid.332325Permissions Required, VDB Entry
https://vuldb.com/?id.332325Third Party Advisory, VDB Entry
https://vuldb.com/?submit.683435Third Party Advisory, VDB Entry

Timeline

Published: Nov 13, 2025
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2025-13120?

How severe is CVE-2025-13120?

CVE-2025-13120 has a CVSS score of 1.9/10 (LOW severity). The EPSS model estimates a 0.13% probability of exploitation in the next 30 days.

How do I fix CVE-2025-13120?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-13120?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST