CVE-2025-13397

LOW

mrubyc < 3.4 - Null Pointer Dereference in mrbc_raw_realloc

Title source: llm
STIX 2.1

Description

A security vulnerability has been detected in mrubyc up to 3.4. This impacts the function mrbc_raw_realloc of the file src/alloc.c. Such manipulation of the argument ptr leads to null pointer dereference. An attack has to be approached locally. The name of the patch is 009111904807b8567262036bf45297c3da8f1c87. It is advisable to implement a patch to correct this issue.

References (6)

Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.332925
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.332925
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.692130
Issue Tracking issue-tracking
https://github.com/mrubyc/mrubyc/issues/244

Scores

CVSS v3 3.3
EPSS 0.0012
EPSS Percentile 2.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-476 CWE-404
Status published
Products (1)
s-itoc/mruby\/c < 3.4
Published Nov 19, 2025
Tracked Since Feb 18, 2026