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CVE-2025-13120: mruby through 3.4.0 (inclusive), 3.0, 3.1, 3.2, 3.3, 3.4.0
CVE-2025-13120. CVSS 3.1 base score 5.5 (MEDIUM, NVD). EPSS 0.00158 (percentile 0.04511), scored 17-Oct-2026.
Affected technology
mruby · through 3.4.0 (inclusive)
mruby
mruby · 3.0, 3.1, 3.2, 3.3, 3.4.0
Vendor not specified by the source
Description’s affected range: up to 3.4.0
Component: Not specified by the source
Function: sort_cmp
File: src/array.c
Attack conditions (VulDB, CVSS 4.0): Local · Low privileges required · No user interaction required
What an attacker can do
A local attacker with low privileges could trigger a use-after-free error. VulDB’s CVSS 4.0 assessment (base score 1.9/10) rates confidentiality, integrity and availability impact as low. The description does not state a further attacker outcome.
- CWE
- CWE-119, CWE-416
- CCR priority
- 22.0 /100 (P4)
- CVSS 3.1
- 5.5 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H · NVD
- EPSS
- 0.00158 · percentile 0.04511 · 2026-10-17
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-19 14:02:10.907757+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2025-13120.html