Out-of-bounds Write Affecting themoos/core-moos package, versions [0,]
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-THEMOOSCOREMOOS-20078924
- published24 Sept 2026
- disclosed4 Sept 2026
- creditUnknown
Introduced: 4 Sep 2026
CVE-2026-85440 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to Out-of-bounds Write via the InflateTo process. An attacker can execute arbitrary code or cause a denial of service by sending a specially crafted packet with a negative length value during the handshake phase before authentication.