CVE-2021-21821 is a critical stack-based buffer overflow vulnerability in Accusoft ImageGear 19.9's PDF process_fontname functionality. This flaw allows an unauthenticated attacker to achieve remote code execution by providing a specially crafted malicious file. With a CVSS score of 9.8, the vulnerability poses a severe risk, enabling complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code, the vulnerability has garnered significant community discussion, indicating potential future interest.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
19.9CPE matchmatch criteria | cpe:2.3:a:accusoft:imagegear:19.9:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 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.
Remediation records are not available for this CVE.