Unchecked Input for Loop Condition 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-20158643
- published27 Sept 2026
- disclosed5 Aug 2026
- creditUnknown
Introduced: 5 Aug 2026
CVE-2026-67554 (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 Unchecked Input for Loop Condition in the disposition process. An attacker can exhaust system resources by sending specially crafted frames with large or illegal ranges, resulting in excessive CPU usage.