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Vulnerability record · CVE-2026-85455 · published 3 September 2026

CVE-2026-85455: Out-of-bounds read vulnerability

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.

8.8 CVSS 4.0 High EPSS 0.67% · top 50.0% CWE-125 · Out-of-bounds read Awaiting Analysis
8.8CVSS 4.0 base score
0.67%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
8 Sep 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/themoos/core-moos
https://github.com/themoos/core-moos/blob/ec9c77c68fcbdef8f5e4c60fe243acd223433f0c/Core/libMOOS/Comms/MOOSCommPkt.cpp#L2
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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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-85455), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.