CVE-2021-26706 is a critical integer overflow vulnerability affecting Micrium uC/OS uC/LIB versions 1.38.x and 1.39.00. Specifically, memory allocation functions like Mem_PoolCreate fail to properly validate input, leading to smaller-than-expected memory pools. With a CVSS score of 9.8 (CRITICAL), this vulnerability is remotely exploitable with low attack complexity, potentially allowing for complete compromise of confidentiality, integrity, and availability. There is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.38.00CPE matchmatch criteria | cpe:2.3:a:micrium:uc\/lib:1.38.00:*:*:*:*:*:*:* | ||
1.38.01CPE matchmatch criteria | cpe:2.3:a:micrium:uc\/lib:1.38.01:*:*:*:*:*:*:* | ||
1.38.02CPE matchmatch criteria | cpe:2.3:a:micrium:uc\/lib:1.38.02:*:*:*:*:*:*:* | ||
1.38.03CPE matchmatch criteria | cpe:2.3:a:micrium:uc\/lib:1.38.03:*:*:*:*:*:*:* | ||
1.38.04CPE matchmatch criteria | cpe:2.3:a:micrium:uc\/lib:1.38.04:*:*:*:*:*:*:* |
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.