CVE-2026-85436
CVE-2026-85436
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.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-85436?
- CVE-2026-85436 is a high-severity vulnerability, classified under Integer Underflow. CVSS score: 7.5/10. Published 2026-09-03.
- How severe is CVE-2026-85436?
- High severity. CVSS v3 base score is 7.5 out of 10.