CVE-2026-85441
Medium
Elevated severity or exploit probability.
CVSS base
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS — probability of exploitation (30 days)
0.7%
49.4th percentile
CISA KEV
Not listed
Weakness / dates
CWE-195
Published 2026-09-03 · modified 2026-09-08
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.
References
- https://github.com/themoos/core-moos
- https://github.com/themoos/core-moos/blob/ec9c77c68fcbdef8f5e4c60fe243acd223433f0c/Core/libMOOS/Comms/MOOSMsg.cpp#L453
- https://github.com/themoos/core-moos/commit/04c92981091fdaa2ff85e2ba7eff94f6288bdbaf
- https://github.com/themoos/core-moos/pull/74
- https://www.vulncheck.com/advisories/moos-core-moos-through-10.4.0-moosdb-denial-of-service-via-negative-serialized-string-length