CVE-2021-26461 is a critical integer wrap-around vulnerability affecting Apache Nuttx versions prior to 10.1.0, specifically within its memory allocation functions (malloc, realloc, memalign). This flaw allows for improper memory assignment, potentially leading to arbitrary memory allocation and severe consequences such as system crashes or remote code execution. With a CVSS score of 9.8 (CRITICAL), it presents a high-impact threat that can be exploited remotely with low attack complexity and no 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 |
|---|---|---|---|
< 10.1.0CPE matchmatch criteria | cpe:2.3:a:apache:nuttx:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/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.