CVE-2023-5686: Heap-based Buffer Overflow in radareorg/radare2

02 Description

Heap-based Buffer Overflow in radareorg/radare2

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 0.80% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 56.0% of scored records. A rank, not a probability.
NVD base score: 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
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.

04 Metadata

Published

2023-10-20 16:22Z3 YR AGO

Last updated

2025-02-13 17:25Z1 YR AGO

Reserved

2023-10-20

Assigning CNA

@huntrdev

Record state

PUBLISHED

Severity

Medium (CVSS 5.1)

CNA CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

Weaknesses

CWE-122Heap-based Buffer OverflowVariant
CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

0ec79061cd484ca8bb361454246ef2e3b0dab0abdfb848012e8e5045509c77aa

05 Affected products

VendorProductVersionsPlatforms

radareorgradareorg/radare2< 5.9.0—