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.
Published: 2025-11-19
Score: 4.8 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 01 Dec 2025 20:00:00 +0000

Type Values Removed Values Added
First Time appeared S-itoc
S-itoc mruby\/c
CPEs cpe:2.3:a:s-itoc:mruby\/c:*:*:*:*:*:*:*:*
Vendors & Products S-itoc
S-itoc mruby\/c

Mon, 24 Nov 2025 09:15:00 +0000

Type Values Removed Values Added
First Time appeared Mruby
Mruby mruby
Vendors & Products Mruby
Mruby mruby

Wed, 19 Nov 2025 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 19 Nov 2025 15:45:00 +0000

Type Values Removed Values Added
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.
Title mrubyc alloc.c mrbc_raw_realloc null pointer dereference
Weaknesses CWE-404
CWE-476
References
Metrics cvssV2_0

{'score': 1.7, 'vector': 'AV:L/AC:L/Au:S/C:N/I:N/A:P/E:ND/RL:OF/RC:C'}

cvssV3_0

{'score': 3.3, 'vector': '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'}

cvssV3_1

{'score': 3.3, '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'}

cvssV4_0

{'score': 4.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2025-11-19T16:48:37.028Z

Reserved: 2025-11-19T09:05:40.304Z

Link: CVE-2025-13397

cve-icon Vulnrichment

Updated: 2025-11-19T16:46:22.280Z

cve-icon NVD

Status : Analyzed

Published: 2025-11-19T16:15:47.347

Modified: 2025-12-01T19:58:58.790

Link: CVE-2025-13397

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-11-24T09:10:54Z

Weaknesses