Medium severity5.3NVD Advisory· Published Nov 13, 2025· Updated Apr 29, 2026

CVE-2025-13120

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Mruby/Mruby2 versions
cpe:2.3:a:mruby:mruby:*:*:*:*:*:ruby:*:*+ 1 more
- cpe:2.3:a:mruby:mruby:*:*:*:*:*:ruby:*:*range: <=3.4.0
- (no CPE)range: <=3.4.0

Patches

Vulnerability mechanics

References

github.com/mruby/mruby/commit/eb398971bfb43c38db3e04528b68ac9a7ce509bcnvdPatch
github.com/mruby/mruby/issues/6649nvdIssue TrackingVendor Advisory
github.com/mruby/mruby/issues/6649nvdIssue TrackingVendor Advisory
vuldb.comnvdThird Party AdvisoryVDB Entry
vuldb.comnvdThird Party AdvisoryVDB Entry
github.com/makesoftwaresafe/mruby/pull/263nvdIssue Tracking
vuldb.comnvdPermissions RequiredVDB Entry

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cvss	0.345
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000