CVE-2021-32495

Published Jul 7, 2023

Last updated a year ago

CVSS critical 9.1

Overview

Description: Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function. Attacker can read freed memory afterwards. This will allow attackers to cause denial of service.
Source: patrick@puiterwijk.org
NVD status: Analyzed

Risk scores

CVSS 3.1

Type: Primary
Base score: 9.1
Impact score: 5.2
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Severity: CRITICAL

Weaknesses

nvd@nist.gov: CWE-416
patrick@puiterwijk.org: CWE-416

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:radare:radare2:5.3.0:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "BAF29F76-DF28-4143-9BF5-FDC0F1CA5B81"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References