Uncontrolled Recursion Affecting apache.qpid.proton package, versions [,1.1.0)
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-DOTNET-APACHEQPIDPROTON-20158646
- published27 Sept 2026
- disclosed5 Aug 2026
- creditUnknown
Introduced: 5 Aug 2026
CVE-2026-67552 (opens in a new tab)How to fix?
Upgrade Apache.Qpid.Proton to version 1.1.0 or higher.
Overview
Affected versions of this package are vulnerable to Uncontrolled Recursion through unbounded nesting of types in the process. An attacker can cause a stack overflow and disrupt service availability by sending specially crafted data prior to authentication.