CVE-2026-85441

HIGH 7.5

MOOS core-moos through 10.4.0 MOOSDB Denial of Service via Negative Serialized String Length

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-195
Vendor	themoos
Product	core-moos
Published	Sep 3, 2026

Stay Ahead of the Next One

Get instant alerts for themoos core-moos

Be the first to know when new high vulnerabilities affecting themoos core-moos are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Affected Versions

themoos / core-moos

0 ≤ 10.4.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/themoos/core-moos/pull/74 github.com: https://github.com/themoos/core-moos/commit/04c92981091fdaa2ff85e2ba7eff94f6288bdbaf github.com: https://github.com/themoos/core-moos github.com: https://github.com/themoos/core-moos/blob/ec9c77c68fcbdef8f5e4c60fe243acd223433f0c/Core/libMOOS/Comms/MOOSMsg.cpp#L453 vulncheck.com: https://www.vulncheck.com/advisories/moos-core-moos-through-10.4.0-moosdb-denial-of-service-via-negative-serialized-string-length

Credits

Vlatko Kosturjak