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As of 10/22/2026, io.netty:netty-codec-http2 recorded 0 security vulnerabilities in the last 90 days, of which 0 are rated High or Critical. None of these vulnerabilities is actively exploited (KEV) according to CISA's catalog. CyStack recommends that organizations and individual users apply patches as soon as possible.
CyStack does not yet have sufficient official-source data to identify the latest version of io.netty:netty-codec-http2 and determine which vulnerabilities affect that version.
CyStack VulnScan continuously discovers assets, validates vulnerabilities, and helps security teams prioritize remediation across the organization.
CVE-2021-21295Possible request smuggling in HTTP/2 due missing validation| Vulnerability | Exploitation status | Fix | Published | Severity |
|---|---|---|---|---|
CVE-2021-21295Possible request smuggling in HTTP/2 due missing validation | Exploitation statusNot exploited | FixYes | Published03/09/2021 | SeverityMedium |
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