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
2026-05-07
AI Q&A
2025-11-19
EPSS Evaluated
2026-05-05
NVD
EUVD
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
s-itoc mruby\/c to 3.4 (inc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-404 The product does not release or incorrectly releases a resource before it is made available for re-use.
CWE-476 The product dereferences a pointer that it expects to be valid but is NULL.
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

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.


How can this vulnerability impact me? :

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.


What immediate steps should I take to mitigate this vulnerability?

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


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