Back to Database
Status published
High
CVE-2020-21831
A heap based buffer overflow vulnerability exists in GNU LibreDWG...
Vulnerability Description
A heap based buffer overflow vulnerability exists in GNU LibreDWG 0.10 via read_2004_section_handles ../../src/decode.c:2637.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2020-21831
Credits & Attribution
No credits recorded in the NVD database.
More from gnu
View All →CVE-2024-10524
GNU Wget is vulnerable to an SSRF attack when accessing partially-user-controlled shorthand URLs
Medium
6.5
CVE-2022-48339
An issue was discovered in GNU Emacs through 28.2. htmlfontify.el...
Unknown
0
CVE-2022-48338
An issue was discovered in GNU Emacs through 28.2. In...
Unknown
0
CVE-2022-48337
GNU Emacs through 28.2 allows attackers to execute commands via...
Unknown
0
CVE-2022-48303
GNU Tar through 1.34 has a one-byte out-of-bounds read that...
Unknown
0
Affected Vendor
Affected Software
libredwg
Vulnerable Versions:
0.10
Timeline
Official Publish:
May 17th, 2021
Last Modified:
July 9th, 2026
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.