CVE-2020-21817

MEDIUM

GNU LibreDWG 0.10.2641 - Denial of Service via Null Pointer Dereference in htmlescape

Title source: llm
STIX 2.1

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).

References (2)

Core 2
Core References
Not Applicable x_refsource_misc
http://gnu.com
Exploit, Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://github.com/LibreDWG/libredwg/issues/182#issue-547887727

Scores

CVSS v3 6.5
EPSS 0.0024
EPSS Percentile 46.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-476
Status published
Products (1)
gnu/libredwg 0.10.2641
Published May 17, 2021
Tracked Since Feb 18, 2026