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    CVE-2026-85455

    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.

    Published:Sep 3, 2026
    Last Modified:Sep 4, 2026
    EPS:Sep 3, 2026
    EPSS Score:0.00361
    CVSS Score:8.2

    Affected Products

    Vendor
    Themoos
    Product
    Core-moos

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

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    CVE-2026-85450 (CVSS 8.7) — MOOS core-moos through 10.4.0 contains a denial of service vulnerability in the MOOSDB HTTP server that create…
    CVE-2026-85443 (CVSS 8.7) — MOOS core-moos through 10.4.0 contains a denial of service vulnerability in MOOSCommServer::ListenLoop() where…
    CVE-2026-85442 (CVSS 8.7) — MOOS core-moos through 10.4.0 fails to validate packet length declarations in CMOOSCommPkt::OnBytesWritten(), …
    CVE-2026-85441 (CVSS 8.7) — MOOS core-moos through 10.4.0 fails to validate that serialized string lengths are non-negative in CMOOSMsg::o…
    CVE-2026-85440 (CVSS 9.3) — MOOS core-moos through 10.4.0 contains a pre-authentication heap overflow vulnerability in MOOSCommPkt packet …
    CVE-2026-85432 (CVSS 8.8) — MOOS core-moos through 10.4.0 fails to validate client identity in MOOSDB message processing, allowing authent…
    CVE-2026-85428 (CVSS 9.3) — MOOS core-moos through 10.4.0 contains an authentication bypass vulnerability in the optional MOOSDB HTTP serv…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High