CVE-2026-85441
MOOS core-moos through 10.4.0 MOOSDB Denial of Service via Negative Serialized String Length
- State
- Published
- Severity
- 8.7 High
- Published
- Sep 3, 2026
- Updated
- Sep 4, 2026
- Reserved
- Sep 3, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | VulnCheck |
Weaknesses
- CWE-195 Signed to Unsigned Conversion Error
Affected Products
| Product | Versions |
|---|---|
core-moosthemoos |
|
References
- Pull Request #74issue-trackingpatch
- Proposed fix commit (pull request not merged)patch
- https://github.com/themoos/core-moosproduct
- MOOSMsg.cpp (verified sink)technical-description
- VulnCheck Advisory: MOOS core-moos through 10.4.0 MOOSDB Denial of Service via Negative Serialized String Lengththird-party-advisory
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