cve/2020/CVE-2020-21817.md

### [CVE-2020-21817](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21817)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

A null pointer dereference issue exists in GNU LibreDWG 0.10.2641 via htmlescape ../../programs/escape.c:29. which causes a denial of service (application crash).

### POC

#### Reference
- https://github.com/LibreDWG/libredwg/issues/182#issue-547887727
- https://github.com/LibreDWG/libredwg/issues/182#issue-547887727

#### Github
No PoCs found on GitHub currently.
Update Sat May 25 21:48:12 CEST 2024 2024-05-25 21:48:12 +02:00			`### [CVE-2020-21817](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21817)`
			`![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)`
			`![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)`
			`![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)`

			`### Description`

			`A null pointer dereference issue exists in GNU LibreDWG 0.10.2641 via htmlescape ../../programs/escape.c:29. which causes a denial of service (application crash).`

			`### POC`

			`#### Reference`
			`- https://github.com/LibreDWG/libredwg/issues/182#issue-547887727`
Update CVE sources 2024-06-09 00:33 2024-06-09 00:33:16 +00:00			`- https://github.com/LibreDWG/libredwg/issues/182#issue-547887727`
Update Sat May 25 21:48:12 CEST 2024 2024-05-25 21:48:12 +02:00
			`#### Github`
			`No PoCs found on GitHub currently.`