CVE-2021-36530 describes a heap overflow vulnerability in ngiflib version 0.4, specifically within the GetByteStr() function when operating in NGIFLIB_NO_FILE mode, affecting products like miniupnp_project ngiflib. This flaw allows for memory corruption due to unchecked boundary copying. With a CVSS score of 8.8 (HIGH), it presents a significant risk, allowing unauthenticated attackers to achieve high confidentiality, integrity, and availability impacts with low attack complexity, typically requiring user interaction. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion 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
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The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.