Missing Release of Resource after Effective Lifetime Affecting io.netty:netty-codec-haproxy package, versions [,4.1.135.Final)[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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- published9 Jun 2026
- disclosed8 Jun 2026
- creditUnknown
Introduced: 8 Jun 2026
CVE-2026-44893 (opens in a new tab)How to fix?
Upgrade io.netty:netty-codec-haproxy to version 4.1.135.Final, 4.2.15.Final or higher.
Overview
Affected versions of this package are vulnerable to Missing Release of Resource after Effective Lifetime through improper handling of TLV length in the readNextTLV function. An attacker can cause resource exhaustion and denial of service by sending a specially crafted HAProxy protocol message with a TLV length below the required minimum, leading to an unreleased retained slice and eventual memory leak.