CVE-2025-13397
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-11-19

Last updated on: 2025-12-01

Assigner: VulDB

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.
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Meta Information
Published
2025-11-19
Last Modified
2025-12-01
Generated
2026-06-16
AI Q&A
2025-11-19
EPSS Evaluated
2026-06-15
NVD
CVE-2025-13397
EUVD
EUVD-2025-198212
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
s-itoc mruby\/c to 3.4 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-476 The product dereferences a pointer that it expects to be valid but is NULL.
CWE-404 The product does not release or incorrectly releases a resource before it is made available for re-use.
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Executive Summary

This vulnerability exists in mrubyc up to version 3.4, specifically in the function mrbc_raw_realloc within the src/alloc.c file. It involves manipulation of the argument ptr that leads to a null pointer dereference. Exploiting this vulnerability requires local access to the system.

Impact Analysis

The vulnerability can cause a null pointer dereference, which may lead to a denial of service or application crash. Since the attack must be local, the impact is limited to users or processes with local access. The CVSS scores indicate a low to moderate impact primarily affecting availability.

Mitigation Strategies

It is advisable to implement the patch named 009111904807b8567262036bf45297c3da8f1c87 to correct this issue.

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