CVE-2025-13120

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.15% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 4.4% of scored records. A rank, not a probability.

NVD base score

1.9 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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

NVD analysis status

Modified. NVD last modified this record on 2026-10-19.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2025-11-13 15:32Z11 MO AGO

Last updated

2026-03-04 15:06Z7 MO AGO

Reserved

2025-11-13

Assigning CNA

VulDB

Record state

PUBLISHED

Severity

Medium (CVSS 4.8)

CNA CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Weaknesses

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
• CWE-416Use After FreeVariant

Data version

5.2

Document digest

1cdef2dff5a989012f1a4bdfe576adee3e056337299691cd97c1cee06e37c798

• vuldb.comVDB-332325 | mruby array.c sort_cmp use after freehttps://vuldb.com/?id.332325vdb-entrytechnical-description
• vuldb.comVDB-332325 | CTI Indicators (IOB, IOC, IOA)https://vuldb.com/?ctiid.332325signaturepermissions-required
• vuldb.comSubmit #683435 | mruby 3.4.0 Use After Freehttps://vuldb.com/?submit.683435third-party-advisory
• github.comhttps://github.com/mruby/mruby/issues/6649issue-tracking
• github.comhttps://github.com/makesoftwaresafe/mruby/pull/263issue-tracking
• github.comhttps://github.com/mruby/mruby/issues/6649#issue-3534393003exploitissue-tracking
• github.comhttps://github.com/mruby/mruby/commit/eb398971bfb43c38db3e04528b68ac9a7ce509bcpatch
• github.comhttps://github.com/mruby/mruby/product