---
id: CVE-2020-24175
title: >-
  Buffer overflow in Yz1 0.30 and 0.32, as used in IZArc 4.4, ZipGenius
  6.3.2.3116, and Explzh (extension) 8.14, allows attackers to execute arbitrary
  code via a crafted archive file, related to filename handling.
summary: >-
  Buffer overflow in Yz1 0.30 and 0.32, as used in IZArc 4.4, ZipGenius
  6.3.2.3116, and Explzh (extension) 8.14, allows attackers to execute arbitrary
  code via a crafted archive file, related to filename handling.
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'
cwe:
  - CWE-787
vendor: yz1
product: yz1
affected:
  - yz1 = 0.30
  - yz1 = 0.32
published: '2021-02-22'
updated: '2026-07-05'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2020-24175'
references:
  - url: 'https://gist.github.com/illikainen/315a420a9c28cbe882e16b8eba40b2e1'
    label: cve@mitre.org
  - url: 'https://gist.github.com/illikainen/ced14e08e00747fef613ba619bb25bb4'
    label: cve@mitre.org
  - url: 'https://illikainen.dev/advisories/014-yz1-izarc'
    label: cve@mitre.org
  - url: 'http://yz1.com'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://gist.github.com/illikainen/315a420a9c28cbe882e16b8eba40b2e1'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://gist.github.com/illikainen/ced14e08e00747fef613ba619bb25bb4'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://illikainen.dev/advisories/014-yz1-izarc'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.01762
epssPercentile: 0.77035
ingestedAt: '2026-07-05T02:00:01.413Z'
---

## Overview

Buffer overflow in Yz1 0.30 and 0.32, as used in IZArc 4.4, ZipGenius 6.3.2.3116, and Explzh (extension) 8.14, allows attackers to execute arbitrary code via a crafted archive file, related to filename handling.

## Affected

- `yz1 = 0.30`
- `yz1 = 0.32`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.