CVE-2026-85455: high-severity vulnerability in themoos core-moos
MOOS core-moos through 10.4.0 MOOSDB Out-of-Bounds Read via Short Packet
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.8epss 0.7%
MOOS core-moos through 10.4.0 contains a buffer over-read vulnerability in CMOOSCommPkt where a four-byte packet triggers out-of-bounds memory access during deserialization. Attackers can open a TCP connection to the MOOSDB port and send a crafted short packet to read memory before authentication.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
Affected products
themoos · core-moosRelated CVEs — themoos core-moos
In the same product, most dangerous first.
CVE-2026-85440CRITICALMOOS core-moos through 10.4.0 MOOSDB Pre-Authentication Heap Overflow via Negative Packet LengthEPSS 1.0%CVE-2026-85428CRITICALMOOS core-moos through 10.4.0 MOOSDB HTTP Server Unauthenticated Variable WriteEPSS 0.8%CVE-2026-85424CRITICALMOOS core-moos through 10.4.0 Missing Authentication for MOOSDB Publish, Subscribe and DB_CLEAREPSS 0.8%CVE-2026-85442HIGHMOOS core-moos through 10.4.0 MOOSDB Denial of Service via Unbounded Packet AllocationEPSS 0.8%CVE-2026-85441HIGHMOOS core-moos through 10.4.0 MOOSDB Denial of Service via Negative Serialized String LengthEPSS 0.7%CVE-2026-85450HIGHMOOS core-moos through 10.4.0 MOOSDB HTTP Server Resource ExhaustionEPSS 0.6%
References
https://github.com/themoos/core-mooshttps://github.com/themoos/core-moos/blob/ec9c77c68fcbdef8f5e4c60fe243acd223433f0c/Core/libMOOS/Comms/MOOSCommPkt.cpp#L228https://github.com/themoos/core-moos/commit/d30c14585753f9ae39749d9628ed15c8383f0568https://github.com/themoos/core-moos/pull/75https://www.vulncheck.com/advisories/moos-core-moos-through-10.4.0-moosdb-out-of-bounds-read-via-short-packet