High severity7.5NVD Advisory· Published Sep 3, 2026· Updated Oct 14, 2026
CVE-2026-85443
CVE-2026-85443
Description
MOOS core-moos through 10.4.0 contains a denial of service vulnerability in MOOSCommServer::ListenLoop() where the accept thread performs a blocking receive without timeout during the wire-protocol handshake. An attacker can open a TCP connection to the MOOSDB port and send no data, causing the accept thread to block indefinitely while holding the socket-list lock, preventing all subsequent client connections.
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Affected products
2Patches
Vulnerability mechanics
References
4- github.com/themoos/core-moos/blob/ec9c77c68fcbdef8f5e4c60fe243acd223433f0c/Core/libMOOS/Comms/MOOSCommServer.cppnvdIssue TrackingPatch
- github.com/themoos/core-moos/commit/8d940303949a850d4625eca2a60f27adee9c3ec4nvdIssue TrackingPatch
- github.com/themoos/core-moos/pull/83nvdIssue TrackingPatch
- www.vulncheck.com/advisories/moos-core-moos-through-10.4.0-moosdb-accept-loop-denial-of-servicenvdThird Party Advisory
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