CVE-2021-36531 describes a heap overflow vulnerability in ngiflib version 0.4, specifically within the GetByte() function when operating in NGIFLIB_NO_FILE mode, due to a lack of boundary checks when reading from a memory buffer. This flaw carries a high CVSS score of 8.8, indicating that it can be exploited remotely with low complexity, potentially leading to high impacts on confidentiality, integrity, and availability if a user is tricked into interacting with a malicious GIF. Despite its severity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
0.4CPE matchmatch criteria | cpe:2.3:a:miniupnp_project:ngiflib:0.4:*:*:*:*:*:*:* |
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.