Allocation of Resources Without Limits or Throttling Affecting io.netty:netty-codec-http package, versions [ ,4.1.136.Final)[4.2.0.Final,4.2.16.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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- published23 Jul 2026
- disclosed22 Jul 2026
- creditUnknown
Introduced: 22 Jul 2026
CVE-2026-59899 (opens in a new tab)How to fix?
Upgrade io.netty:netty-codec-http to version 4.1.136.Final, 4.2.16.Final or higher.
Overview
io.netty:netty-codec-http is a network application framework for rapid development of maintainable high performance protocol servers & clients.
Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through the HttpContentEncoder. An attacker can cause unbounded memory consumption by sending a large number of HTTP/1.1 pipelined requests faster than the application can generate responses, leading to resource exhaustion.