CVE-2026-85436

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/themoos/essential-moos Product
https://github.com/themoos/essential-moos/blob/b897ea86dba8b61412dc48ac0cfb5ff34cdaf5f6/Essentials/pMOOSBridge/MOOSUDPLink.cpp#L171 Issue Tracking Patch
https://github.com/themoos/essential-moos/commit/613175fcf63fb9c6c5329c4ec57c2d18588b33e2 Issue Tracking Patch
https://github.com/themoos/essential-moos/pull/21 Issue Tracking Patch
https://www.vulncheck.com/advisories/moos-essential-moos-through-10.0.1-pmoosbridge-heap-corruption-via-negative-udp-length Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:themoos:essential-moos:*:*:*:*:*:*:*:*
History

14 Oct 2026, 23:27

Type Values Removed Values Added
CPE cpe:2.3:a:themoos:essential-moos:*:*:*:*:*:*:*:*
First Time Themoos
Themoos essential-moos
References () https://github.com/themoos/essential-moos - () https://github.com/themoos/essential-moos - Product
References () https://github.com/themoos/essential-moos/blob/b897ea86dba8b61412dc48ac0cfb5ff34cdaf5f6/Essentials/pMOOSBridge/MOOSUDPLink.cpp#L171 - () https://github.com/themoos/essential-moos/blob/b897ea86dba8b61412dc48ac0cfb5ff34cdaf5f6/Essentials/pMOOSBridge/MOOSUDPLink.cpp#L171 - Issue Tracking, Patch
References () https://github.com/themoos/essential-moos/commit/613175fcf63fb9c6c5329c4ec57c2d18588b33e2 - () https://github.com/themoos/essential-moos/commit/613175fcf63fb9c6c5329c4ec57c2d18588b33e2 - Issue Tracking, Patch
References () https://github.com/themoos/essential-moos/pull/21 - () https://github.com/themoos/essential-moos/pull/21 - Issue Tracking, Patch
References () https://www.vulncheck.com/advisories/moos-essential-moos-through-10.0.1-pmoosbridge-heap-corruption-via-negative-udp-length - () https://www.vulncheck.com/advisories/moos-essential-moos-through-10.0.1-pmoosbridge-heap-corruption-via-negative-udp-length - Third Party Advisory
Information

Published : 2026-09-03 23:17

Updated : 2026-10-14 23:27

NVD link : CVE-2026-85436

Mitre link : CVE-2026-85436

CVE.ORG link : CVE-2026-85436

JSON object : View

Products Affected

themoos

  • essential-moos
CWE
CWE-191

Integer Underflow (Wrap or Wraparound)