CVE-2026-85442
CVE-2026-85442
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 v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-85442?
- CVE-2026-85442 is a high-severity vulnerability, classified under CWE-789. CVSS score: 7.5/10. Published 2026-09-03.
- How severe is CVE-2026-85442?
- High severity. CVSS v3 base score is 7.5 out of 10.