CVE-2025-13397
MEDIUM EPSS 2.6%
Published Nov 19, 20257mo ago · Modified Jun 17, 20261w ago
4.8 CVSS 4.0
Published Nov 19, 2025 7mo ago
Last Modified Jun 17, 2026 1w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
2.6% percentile
Exploit & Patch Status
No Known Exploit
Patch Available
Weaknesses 2
CWE-404
CWE-476 NULL Pointer Dereference Memory Safety
Affected Products 1
| Vendor | Product | Version | Range |
|---|---|---|---|
| s-itoc | mruby\/c | * | ≤3.4 |
References 6
- github.com https://github.com/mrubyc/mrubyc/commit/009111904807b8567262036bf45297c3da8f1c87
- github.com https://github.com/mrubyc/mrubyc/issues/244
- github.com https://github.com/mrubyc/mrubyc/issues/244#issuecomment-3400382026
- vuldb.com https://vuldb.com/?ctiid.332925
- vuldb.com https://vuldb.com/?id.332925
- vuldb.com https://vuldb.com/?submit.692130
Remediation
- github.com https://github.com/mrubyc/mrubyc/commit/009111904807b8567262036bf45297c3da8f1c87