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CVE-2025-13120

mruby array.c sort_cmp use after free

Published: Nov 13, 2025Updated: Apr 29, 2026 Sources: CVE List NVDCWE-119
NVD MITRE
5.3CVSSMEDIUM
EPSS Score
0.1%
Top 97.4%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:LI:LA:L
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
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Weaknesses

CWE-119CWE-416

Affected Products

mrubymruby
LibraryLibrary
OSS Libraries
mrubyn/a
mrubyoss-projectOSS Libraries

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://github.com/makesoftwaresafe/mruby/pull/263
github.com
https://github.com/mruby/mruby/
github.com
https://github.com/mruby/mruby/commit/eb398971bfb43c38db3e04528b68ac9a7ce509bc
github.com
and 5 more references View all →

Timeline

Published
Nov 13, 2025
Last Updated
Apr 29, 2026

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