Missing Release of Memory after Effective Lifetime Affecting io.netty:netty-codec-http2 package, versions [,4.1.135.Final)[4.2.0.Alpha1,4.2.15.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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- published12 Jun 2026
- disclosed11 Jun 2026
- creditUnknown
Introduced: 11 Jun 2026
NewCVE-2026-48043 (opens in a new tab)How to fix?
Upgrade io.netty:netty-codec-http2 to version 4.1.135.Final, 4.2.15.Final or higher.
Overview
io.netty:netty-codec-http2 is a HTTP2 sub package for the netty library, an event-driven asynchronous network application framework.
Affected versions of this package are vulnerable to Missing Release of Memory after Effective Lifetime in the DelegatingDecompressorFrameListener function. An attacker can cause memory exhaustion and potentially crash the JVM by sending specially crafted HTTP/2 frames that trigger a resource leak.