What’s Vulnerable › Vulnerabilities

CVE-2026-85455: MOOS core-moos through 10.4.0 MOOSDB Out-of-Bounds Read via Short Packet

• Severity: high (CVSS 8.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-03 · updated 2026-10-14
• Weakness: CWE-125

Description

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.

Affected products

• themoos core-moos: before 10.4.0 — fixed in 10.4.0

How to fix

Upgrade to a fixed version: themoos core-moos 10.4.0. Check the vendor advisory for mitigations.

References

• https://github.com/themoos/core-moos
• https://github.com/themoos/core-moos/blob/ec9c77c68fcbdef8f5e4c60fe243acd223433f0c/Core/libMOOS/Comms/MOOSCommPkt.cpp#L228
• https://github.com/themoos/core-moos/commit/d30c14585753f9ae39749d9628ed15c8383f0568
• https://github.com/themoos/core-moos/pull/75
• https://www.vulncheck.com/advisories/moos-core-moos-through-10.4.0-moosdb-out-of-bounds-read-via-short-packet

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