CVE-2025-13397 - CVE House
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Status published Medium CVE-2025-13397

mrubyc alloc.c mrbc_raw_realloc null pointer dereference

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • micromilo (VulDB User)

Affected Vendor

Affected Software

mrubyc
Vulnerable Versions:
3.0, 3.1, 3.2, 3.3, 3.4

Timeline

Official Publish: November 19th, 2025
Last Modified: November 19th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C

Weaknesses (CWE)