Insecure Default Initialization of Resource Affecting io.netty:netty-codec-http3 package, versions [4.2.0.Final,4.2.15.Final)
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-JAVA-IONETTY-17263195
- published9 Jun 2026
- disclosed8 Jun 2026
- creditVioleta Georgieva
Introduced: 8 Jun 2026
NewCVE-2026-44892 (opens in a new tab)How to fix?
Upgrade io.netty:netty-codec-http3 to version 4.2.15.Final or higher.
Overview
Affected versions of this package are vulnerable to Insecure Default Initialization of Resource due to the lack of an enforced maximum header size limit in the default configuration of the Http3ConnectionHandler. An attacker can exhaust server memory and cause application crashes by continuously sending large or numerous HTTP/3 headers within a connection.