CVE-2021-28021 describes a high-severity buffer overflow vulnerability (CWE-787) in the stb_image.h library, specifically within the stbi__extend_receive function, triggered by a crafted JPEG file. This vulnerability impacts various distributions of Debian, Fedora, and the stb project itself. With a CVSS score of 7.8, it allows for high confidentiality, integrity, and availability impacts, requiring user interaction (UI:R) and local access (AV:L) to exploit. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, suggesting a low current threat landscape.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.26CPE matchmatch criteria | cpe:2.3:a:stb_project:stb:2.26:*:*:*:*:*:*:* | ||
34CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | ||
35CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* | ||
10.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/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, 0.1 Bluesky, 0.0 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 0.0 Security Researcher mentions.