CVE-2025-13397CWE-404CWE-476

CVE-2025-13397

Low · published November 19, 2025

CVSS v3.1
3.3
EPSS
0%
Percentile
4.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
3.3 · LOW
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00156 · 4.3th percentile
Weaknesses
CWE-404 · Improper Resource Shutdown or Release; CWE-476 · NULL Pointer Dereference
Published
2025-11-19T21:15Z
Affected products (1)
ProductVersionsFixed in
s-itoc/mruby\/c≤ 3.4—
References (6)
https://github.com/mrubyc/mrubyc/commit/009111904807b8567262036bf45297c3da8f1c87 · [email protected]https://github.com/mrubyc/mrubyc/issues/244 · [email protected]https://github.com/mrubyc/mrubyc/issues/244#issuecomment-3400382026 · [email protected]https://vuldb.com/?ctiid.332925 · [email protected]https://vuldb.com/?id.332925 · [email protected]https://vuldb.com/?submit.692130 · [email protected]
EPSS history
Timeline
  • 19 NOV 15:32Z
    mrubyc alloc.c mrbc_raw_realloc null pointer dereference
    cvelistv5