{"id":"CVE-2026-85443","title":"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","summary":"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 c…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-400"],"vendor":"themoos","product":"core-moos","affected":["core-moos <= 10.4.0"],"published":"2026-09-03","updated":"2026-09-14","sourceUpdated":"2026-09-14T14:17:14.143","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-85443","references":[{"url":"https://github.com/themoos/core-moos","label":"disclosure@vulncheck.com"},{"url":"https://github.com/themoos/core-moos/blob/ec9c77c68fcbdef8f5e4c60fe243acd223433f0c/Core/libMOOS/Comms/MOOSCommServer.cpp#L922","label":"disclosure@vulncheck.com"},{"url":"https://github.com/themoos/core-moos/commit/8d940303949a850d4625eca2a60f27adee9c3ec4","label":"disclosure@vulncheck.com"},{"url":"https://github.com/themoos/core-moos/pull/83","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/moos-core-moos-through-10.4.0-moosdb-accept-loop-denial-of-service","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-09-14T13:08:33.843456Z"},"epss":0.0035,"epssPercentile":0.28753,"ingestedAt":"2026-09-08T20:10:03.161Z","slug":"CVE-2026-85443","body":"## Overview\n\nMOOS 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}