CVE-2026-85440 - MOOS core-moos through 10.4.0 MOOSDB Pre-Authentication Heap Overflow via Negative Packet Length

CVE-2026-85440 - MOOS core-moos through 10.4.0 MOOSDB Pre-Authentication Heap Overflow via Negative Packet Length

https://cvefeed.io/rssfeed/latest.atom / Fri, 09/04/2026 - 01:30
CVE ID :CVE-2026-85440
Published : Sept. 3, 2026, 10:38 p.m. | 25 minutes ago
Description :MOOS core-moos through 10.4.0 contains a pre-authentication heap overflow vulnerability in MOOSCommPkt packet handling that allows remote attackers to write arbitrary data by declaring a negative packet length. Attackers can exploit the signed integer check in InflateTo() and negative size conversion in recv() to overflow a four-byte heap buffer during the HandShake phase before authentication.
Severity: 0.0 | NA
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