Netty
Netty Codec Http3: vulnerabilities and CVEs
Netty Codec Http3 has 4 published vulnerabilities, 4 of them in the last 12 months. 0 are rated critical and 0 are listed by CISA as actively exploited.
CVEs4
Last 12 months4
Critical0
Actively exploited0
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Latest vulnerabilities
| CVE | Severity | EPSS | Active exploitation | Published | Description |
|---|---|---|---|---|---|
| CVE-2026-100664 | High (8.7) | 0.33% | — | Sep 26, 2026 | Netty's HTTP/3 codec (io.netty:netty-codec-http3) versions 4.2.2.Final through 4.2.17.Final builds the HTTP/3 :authority pseudo-header from the HTTP/1 Host header before considering the authority of an absolute-form… |
| CVE-2026-100661 | High (8.7) | 0.34% | — | Sep 26, 2026 | Netty's HTTP/3 codec (io.netty:netty-codec-http3) versions 4.2.0.Final through 4.2.17.Final contain a denial-of-service vulnerability in the QPACK prefixed-integer decoder (QpackUtil.decodePrefixedInteger), which does… |
| CVE-2026-100660 | High (8.7) | 0.38% | — | Sep 26, 2026 | Netty's HTTP/3 codec (io.netty:netty-codec-http3) from 4.2.0.Final through 4.2.17.Final retains unbounded per-stream QPACK encoder state. QpackEncoder stores a queue and a dynamic-table index tracker for every encoded… |
| CVE-2026-100659 | Medium (6.9) | 0.24% | — | Sep 26, 2026 | Netty's HTTP/3 codec (io.netty:netty-codec-http3) in versions 4.2.0.Final through 4.2.17.Final does not enforce the RFC 9114 requirement that the :authority pseudo-header field and a literal host header field, when both… |
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