CVE-2020-21836

HighCVSS 8.8/10Last modified Jul 9, 2026

Description

A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10 via read_2004_section_preview ../../src/decode.c:3175.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

No affected versions have been published.

Timeline

Published
May 17, 2021
Last modified
Jul 9, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-218388.8A heap based buffer overflow vulnerability exits in GNU LibreDWG 0.10 via: read_2004_section_appinfo ../../src/decode.c:2842.CVE-2020-218396.5An issue was discovered in GNU LibreDWG 0.10. Crafted input will lead to an memory leak in dwg_decode_eed ../../src/decode.c:3638.CVE-2020-21844.3A cross-site request forgery vulnerability in Jenkins CVS Plugin 2.15 and earlier allows attackers to create and manipulate tags, and to conCVE-2020-218408.8A heap based buffer overflow vulnerability exits in GNU LibreDWG 0.10 via bit_search_sentinel ../../src/bits.c:1985.CVE-2020-218418.8A heap based buffer overflow vulnerability exits in GNU LibreDWG 0.10 via bit_read_B ../../src/bits.c:135.CVE-2020-218428.8A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10 via read_2004_section_revhistory ../../src/decode.c:3051.CVE-2020-218438.8A heap based buffer overflow vulnerability exits in GNU LibreDWG 0.10 via bit_read_RC ../../src/bits.c:318.CVE-2020-218448.8GNU LibreDWG 0.10 is affected by: memcpy-param-overlap. The impact is: execute arbitrary code (remote). The component is: read_2004_section_CVE-2020-218456.1Codoforum 4.8.3 allows HTML Injection in the 'admin dashboard Manage users Section.'CVE-2020-21855.6Jenkins Amazon EC2 Plugin 1.50.1 and earlier does not validate SSH host keys when connecting agents, enabling man-in-the-middle attacks.CVE-2020-218546.1Cross Site Scripting vulnerabiity exists in WDScanner 1.1 in the system management page.CVE-2020-21864.3A cross-site request forgery vulnerability in Jenkins Amazon EC2 Plugin 1.50.1 and earlier allows attackers to provision instances.
CVE-2020-21836: High severity, CVSS 8.8 | Vulnix