GHSA-m984-rrgf-rcwhCriticalCVSS 9.8
MOOS core-moos through 10.4.0 contains a pre-authentication heap overflow vulnerability in...
🔗 CVE IDs covered (1)
📋 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.
🔗 References (7)
- https://nvd.nist.gov/vuln/detail/CVE-2026-85440
- https://github.com/themoos/core-moos/pull/82
- https://github.com/themoos/core-moos/commit/96c49c5cdda6e07ee734a5324e8d25ba5a7f2d7a
- https://github.com/themoos/core-moos
- https://github.com/themoos/core-moos/blob/ec9c77c68fcbdef8f5e4c60fe243acd223433f0c/Core/libMOOS/Comms/MOOSCommPkt.cpp#L67
- https://www.vulncheck.com/advisories/moos-core-moos-through-10.4.0-moosdb-pre-authentication-heap-overflow-via-negative-packet-length
- https://github.com/advisories/GHSA-m984-rrgf-rcwh