CVE-2020-21840 describes a high-severity heap-based buffer overflow vulnerability in GNU LibreDWG version 0.10, specifically within the bit_search_sentinel function. This flaw allows an unauthenticated attacker to achieve high impact on confidentiality, integrity, and availability through a low-complexity network attack that requires user interaction. While the CVSS score is 8.8, indicating a critical risk, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
0.10CPE matchmatch criteria | cpe:2.3:a:gnu:libredwg:0.10:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.