CVE-2025-13120
mruby array.c sort_cmp use after free
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.
INFO
Published Date :
Nov. 13, 2025, 4:15 p.m.
Last Modified :
Dec. 4, 2025, 3:27 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Apply the patch eb398971bfb43c38db3e04528b68ac9a7ce509bc.
- Update mruby to a patched version.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-13120.
| URL | Resource |
|---|---|
| https://github.com/makesoftwaresafe/mruby/pull/263 | Issue Tracking |
| https://github.com/mruby/mruby/commit/eb398971bfb43c38db3e04528b68ac9a7ce509bc | Patch |
| https://github.com/mruby/mruby/issues/6649 | Issue Tracking Vendor Advisory |
| https://github.com/mruby/mruby/issues/6649#issue-3534393003 | Issue Tracking Vendor Advisory |
| https://vuldb.com/?ctiid.332325 | Permissions Required VDB Entry |
| https://vuldb.com/?id.332325 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.683435 | Third Party Advisory VDB Entry |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-13120 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-13120
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-13120 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-13120 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Dec. 04, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CPE Configuration OR *cpe:2.3:a:mruby:mruby:*:*:*:*:*:ruby:*:* versions up to (including) 3.4.0 Added Reference Type VulDB: https://github.com/makesoftwaresafe/mruby/pull/263 Types: Issue Tracking Added Reference Type VulDB: https://github.com/mruby/mruby/commit/eb398971bfb43c38db3e04528b68ac9a7ce509bc Types: Patch Added Reference Type VulDB: https://github.com/mruby/mruby/issues/6649 Types: Issue Tracking, Vendor Advisory Added Reference Type VulDB: https://github.com/mruby/mruby/issues/6649#issue-3534393003 Types: Issue Tracking, Vendor Advisory Added Reference Type VulDB: https://vuldb.com/?ctiid.332325 Types: Permissions Required, VDB Entry Added Reference Type VulDB: https://vuldb.com/?id.332325 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.683435 Types: Third Party Advisory, VDB Entry -
New CVE Received by [email protected]
Nov. 13, 2025
Action Type Old Value New Value Added 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. Added CVSS V4.0 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 Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L Added CVSS V2 (AV:L/AC:L/Au:S/C:P/I:P/A:P) Added CWE CWE-119 Added CWE CWE-416 Added Reference https://github.com/makesoftwaresafe/mruby/pull/263 Added Reference https://github.com/mruby/mruby/commit/eb398971bfb43c38db3e04528b68ac9a7ce509bc Added Reference https://github.com/mruby/mruby/issues/6649 Added Reference https://github.com/mruby/mruby/issues/6649#issue-3534393003 Added Reference https://vuldb.com/?ctiid.332325 Added Reference https://vuldb.com/?id.332325 Added Reference https://vuldb.com/?submit.683435