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CVE-2025-13397

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Date: November 19, 2025

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.

Severity Score

Related Resources (8)

https://nvd.nist.gov/vuln/detail/CVE-2025-13397
https://github.com/mrubyc/mrubyc/commit/009111904807b8567262036bf45297c3da8f1c87
https://github.com/mrubyc/mrubyc/issues/244
https://vuldb.com/?submit.692130
https://vuldb.com/?ctiid.332925
https://github.com/mrubyc/mrubyc/issues/244#issuecomment-3400382026
https://vuldb.com/?id.332925
https://www.mend.io/vulnerability-database/CVE-2025-13397

Severity Score

Weakness Type (CWE)

Improper Resource Shutdown or Release

CWE-404

NULL Pointer Dereference

CWE-476

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): SINGLE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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