CVE-2021-40648

Published Sep 9, 2022

Last updated 2 years ago

CVSS medium 5.5

Overview

Description: In man2html 1.6g, a filename can be created to overwrite the previous size parameter of the next chunk and the fd, bk, fd_nextsize, bk_nextsize of the current chunk. The next chunk is then freed later on, causing a freeing of an arbitrary amount of memory.
Source: cve@mitre.org
NVD status: Analyzed

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: CWE-20

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:man2html_project:man2html:1.6g:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "843C1C93-461D-413C-B54F-2642C98DD0F7"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References