{"id":"CVE-2026-85441","title":"MOOS core-moos through 10.4.0 fails to validate that serialized string lengths are non-negative in CMOOSMsg::operator>>","summary":"MOOS core-moos through 10.4.0 fails to validate that serialized string lengths are non-negative in CMOOSMsg::operator>>. Unauthenticated attackers can send a crafted message with a negative length value to the MOOSDB port, causing an unh…","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-195"],"published":"2026-09-03","updated":"2026-09-08","sourceUpdated":"2026-09-08T20:07:17.943","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-85441","references":[{"url":"https://github.com/themoos/core-moos","label":"disclosure@vulncheck.com"},{"url":"https://github.com/themoos/core-moos/blob/ec9c77c68fcbdef8f5e4c60fe243acd223433f0c/Core/libMOOS/Comms/MOOSMsg.cpp#L453","label":"disclosure@vulncheck.com"},{"url":"https://github.com/themoos/core-moos/commit/04c92981091fdaa2ff85e2ba7eff94f6288bdbaf","label":"disclosure@vulncheck.com"},{"url":"https://github.com/themoos/core-moos/pull/74","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/moos-core-moos-through-10.4.0-moosdb-denial-of-service-via-negative-serialized-string-length","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"epss":0.00366,"epssPercentile":0.30328,"ingestedAt":"2026-09-08T20:10:03.161Z","slug":"CVE-2026-85441","body":"## Overview\n\nMOOS core-moos through 10.4.0 fails to validate that serialized string lengths are non-negative in CMOOSMsg::operator>>. Unauthenticated attackers can send a crafted message with a negative length value to the MOOSDB port, causing an unhandled exception that terminates the database process.\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":[]}