CVE-2026-85441— MOOS core-moos through 10.4.0 MOOSDB Denial of Service via Negative Serialized String Length
Quick assessment
Affected
themoos core-moos
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
MOOS 核心（core-moos）10.4.0 及之前版本在 中未验证序列化字符串的长度是否为非负数。未经身份验证的攻击者可以向 MOOSDB 端口发送一条经过构造的、带有负长度值的消息，从而触发一个未处理的异常，导致数据库进程终止。
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I. Basic Information for CVE-2026-85441
Vulnerability Information
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Vulnerability Title
MOOS core-moos through 10.4.0 MOOSDB Denial of Service via Negative Serialized String Length
Source: CVE Program / CVE List V5
Vulnerability Description
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 unhandled exception that terminates the database process.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
有符号至无符号转换错误
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-85441
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Patches & Fixes for CVE-2026-85441 (2)
Vendor Advisories for CVE-2026-85441 (1)
Proof of Concept for CVE-2026-85441 (1)
Vendor Pages for CVE-2026-85441 (1)
Same Patch Batch · themoos · 2026-09-03 · 18 CVEs total
| CVE-2026-85440 | 9.8 CRITICAL | MOOS core-moos through 10.4.0 MOOSDB Pre-Authentication Heap Overflow via Negative Packet |
| CVE-2026-85433 | 9.8 CRITICAL | MOOS essential-moos through 10.0.1 pShare Unauthorized Runtime Route Reconfiguration |
| CVE-2026-85424 | 9.8 CRITICAL | MOOS core-moos through 10.4.0 Missing Authentication for MOOSDB Publish, Subscribe and DB_ |
| CVE-2026-85428 | 9.8 CRITICAL | MOOS core-moos through 10.4.0 MOOSDB HTTP Server Unauthenticated Variable Write |
| CVE-2026-85430 | 9.1 CRITICAL | MOOS essential-moos through 10.0.1 pShare Unauthenticated UDP Datagram Republishing |
| CVE-2026-85452 | 8.8 HIGH | MOOS ui-moos through 50b9c6c uMS Buffer Overflow via Long MOOS Identifiers |
| CVE-2026-85455 | 8.2 HIGH | MOOS core-moos through 10.4.0 MOOSDB Out-of-Bounds Read via Short Packet |
| CVE-2026-85432 | 8.2 HIGH | MOOS core-moos through 10.4.0 MOOSDB Message Source Spoofing via Wire Identity |
| CVE-2026-85427 | 8.1 HIGH | MOOS essential-moos through 10.0.1 pAntler Remote Code Execution via Unauthenticated MISSI |
| CVE-2026-85443 | 7.5 HIGH | MOOS core-moos through 10.4.0 MOOSDB Accept Loop Denial of Service |
| CVE-2026-85431 | 7.5 HIGH | MOOS essential-moos through 10.0.1 pMOOSBridge Unauthenticated UDP Packet Injection |
| CVE-2026-85450 | 7.5 HIGH | MOOS core-moos through 10.4.0 MOOSDB HTTP Server Resource Exhaustion |
| CVE-2026-85436 | 7.5 HIGH | MOOS essential-moos through 10.0.1 pMOOSBridge Heap Corruption via Negative UDP Length |
| CVE-2026-85442 | 7.5 HIGH | MOOS core-moos through 10.4.0 MOOSDB Denial of Service via Unbounded Packet Allocation |
| CVE-2026-85451 | 7.1 HIGH | MOOS core-moos through 10.4.0 Remote Process Termination via Hard-Coded Multicast Passphra |
| CVE-2026-85454 | 6.1 MEDIUM | MOOS core-moos through 10.4.0 Off-by-One Buffer Overflow in Serial Telegram Handling |
| CVE-2026-85453 | 6.1 MEDIUM | MOOS core-moos through 10.4.0 MOOSDB HTTP Pages Stored Cross-Site Scripting |
IV. Related Vulnerabilities
Same product: core-moos
-
CVE-2026-85455
MOOS core-moos through 10.4.0 MOOSDB Out-of-Bounds Read via -
CVE-2026-85454
MOOS core-moos through 10.4.0 Off-by-One Buffer Overflow in -
CVE-2026-85453
MOOS core-moos through 10.4.0 MOOSDB HTTP Pages Stored Cross -
CVE-2026-85451
MOOS core-moos through 10.4.0 Remote Process Termination via -
CVE-2026-85450
MOOS core-moos through 10.4.0 MOOSDB HTTP Server Resource Ex
Same vendor: themoos
-
CVE-2026-85455
MOOS core-moos through 10.4.0 MOOSDB Out-of-Bounds Read via -
CVE-2026-85454
MOOS core-moos through 10.4.0 Off-by-One Buffer Overflow in -
CVE-2026-85453
MOOS core-moos through 10.4.0 MOOSDB HTTP Pages Stored Cross -
CVE-2026-85452
MOOS ui-moos through 50b9c6c uMS Buffer Overflow via Long MO -
CVE-2026-85451
MOOS core-moos through 10.4.0 Remote Process Termination via
Same weakness: CWE-195
-
CVE-2026-18444
Integer Conversion Vulnerability Resulting in an Out of Boun -
CVE-2026-55737
Heap pointer corruption via signed/unsigned mismatch in LARG -
CVE-2026-55991
Remote DNS-over-QUIC (DoQ) flow-control assertion failure in -
CVE-2026-41682
pupnp: Port truncation via atoi() cast in parse_uri() allows -
CVE-2026-26981
OpenEXR has heap-buffer-overflow via signed integer underflo
V. Comments for CVE-2026-85441
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