High severity7.5NVD Advisory· Published Sep 3, 2026· Updated Oct 14, 2026
CVE-2026-85436
CVE-2026-85436
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2cpe:2.3:a:themoos:essential-moos:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:themoos:essential-moos:*:*:*:*:*:*:*:*range: <10.0.1
- (no CPE)range: <=10.0.1
Patches
Vulnerability mechanics
References
4- github.com/themoos/essential-moos/blob/b897ea86dba8b61412dc48ac0cfb5ff34cdaf5f6/Essentials/pMOOSBridge/MOOSUDPLink.cppnvdIssue TrackingPatch
- github.com/themoos/essential-moos/commit/613175fcf63fb9c6c5329c4ec57c2d18588b33e2nvdIssue TrackingPatch
- github.com/themoos/essential-moos/pull/21nvdIssue TrackingPatch
- www.vulncheck.com/advisories/moos-essential-moos-through-10.0.1-pmoosbridge-heap-corruption-via-negative-udp-lengthnvdThird Party Advisory
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