CVE-2026-85436
High
Description
MOOS essential-moos through 10.0.1 contains a buffer overflow vulnerability in CMOOSUDPLink::ReadPktFromArray() that allows remote attackers to corrupt heap memory by sending UDP datagrams with negative declared lengths. Attackers can send crafted UDP packets to the configured UDPListen port to trigger an oversized memcpy operation that writes past the destination buffer, causing heap corruption and denial of service.
SeverityHigh
CVSS7.5
Exploit probability—
ProductThemoos Essential-moos
PublishedSep 3, 2026
First seenSep 3, 2026
Weakness typeCWE-191CWE-191
How to fix
Update
- themoos essential-moos10.0.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| themoos essential-moos | v < 10.0.1 | 10.0.1 |
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