Vulnerability Description
MOOS core-moos through 10.4.0 fails to validate packet length declarations in CMOOSCommPkt::OnBytesWritten(), allowing unauthenticated attackers to trigger unbounded buffer allocation by sending crafted wire packets. Attackers can send packets with large declared lengths to exhaust server memory and cause denial of service before client authentication completes.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/themoos/core-moos
- https://github.com/themoos/core-moos/blob/ec9c77c68fcbdef8f5e4c60fe243acd223433f
- https://github.com/themoos/core-moos/commit/e7ea624a7b7828b47fcd35fc43feec1f5cfb
- https://github.com/themoos/core-moos/pull/81
- https://www.vulncheck.com/advisories/moos-core-moos-through-10.4.0-moosdb-denial
FAQ
What is CVE-2026-85442?
CVE-2026-85442 is a vulnerability with a CVSS score of 7.5 (HIGH). MOOS core-moos through 10.4.0 fails to validate packet length declarations in CMOOSCommPkt::OnBytesWritten(), allowing unauthenticated attackers to trigger unbounded buffer allocation by sending craft...
How severe is CVE-2026-85442?
CVE-2026-85442 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-85442?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.