CVE-2020-21686

Published Aug 22, 2023

Last updated a month ago

CVSS medium 5.5

Overview

Description: A stack-use-after-scope issue discovered in expand_mmac_params function in preproc.c in nasm before 2.15.04 allows remote attackers to cause a denial of service via crafted asm file.
Source: cve@mitre.org
NVD status: Modified

Risk scores

CVSS 3.1

Type: Primary
Base score: 5.5
Impact score: 3.6
Exploitability score: 1.8
Vector string: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Severity: MEDIUM

Weaknesses

nvd@nist.gov: NVD-CWE-Other
134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-562

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:nasm:netwide_assembler:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "5EB7507D-CC9A-402E-89F7-F87DB59EEFD5",
            "versionEndExcluding": "2.15.04"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References