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CVE-2025-13397

Published: Nov 19, 2025

Modified: Nov 19, 2025

PUBLISHED

CVSS v3.1

3.3

LOW

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.

Vendor	Product	Versions
n/a	mrubyc	affected `3.0` affected `3.1` affected `3.2` affected `3.3` affected `3.4`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

References

VDB-332925 | mrubyc alloc.c mrbc_raw_realloc null pointer dereference

vdb-entry

technical-description

VDB-332925 | CTI Indicators (IOB, IOC, IOA)

signature

permissions-required

Submit #692130 | mrubyc 3.4 NULL Pointer Dereference

third-party-advisory

https://github.com/mrubyc/mrubyc/issues/244

issue-tracking

https://github.com/mrubyc/mrubyc/issues/244#issuecomment-3400382026

issue-tracking

https://github.com/mrubyc/mrubyc/commit/009111904807b8567262036bf45297c3da8f1c87

patch

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