CVE-2026-85436

MOOS essential-moos through 10.0.1 pMOOSBridge Heap Corruption via Negative UDP Length

Published Sep 3, 2026 CVSS 4.0 · 8.7 High EPSS 2.1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:themoos:essential-moos:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Themoos
Themoos essential-moos
Vendors & Products Themoos
Themoos essential-moos
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title MOOS essential-moos through 10.0.1 pMOOSBridge Heap Corruption via Negative UDP Length
Weaknesses CWE-191
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Sep 4, 2026, 1:40 PM
Reserved
Sep 3, 2026, 7:50 PM
Status
Analyzed
Published
Sep 3, 2026, 11:17 PM
Modified
Oct 14, 2026, 11:27 PM