CVE-2025-13120

low-risk
Published 2025-11-13

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.

Do I need to act?

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0.01% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.3/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Mruby

References (8)

Issue Tracking https://github.com/makesoftwaresafe/mruby/pull/263
https://github.com/mruby/mruby/
Patch https://github.com/mruby/mruby/commit/eb398971bfb43c38db3e04528b68ac9a7ce509bc
Issue Tracking https://github.com/mruby/mruby/issues/6649
Issue Tracking https://github.com/mruby/mruby/issues/6649#issue-3534393003
Permissions Required https://vuldb.com/?ctiid.332325
Third Party Advisory https://vuldb.com/?id.332325
Third Party Advisory https://vuldb.com/?submit.683435
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal