CVE-2020-21547 describes a heap-based buffer overflow vulnerability in the dither_func_fs function within libsixel 1.8.2, affecting the libsixel_project. This high-severity flaw (CVSS 8.8) can be exploited remotely with low attack complexity, requiring user interaction, and could lead to high impacts on confidentiality, integrity, and availability. Despite its severity, there is currently no public exploit code available, no evidence of active exploitation, and minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.8.2CPE matchmatch criteria | cpe:2.3:a:saitoha:libsixel:1.8.2:*:*:*:*:*:*:* |
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.